Explore: All CDS topics · CDS Elementary Mathematics PYQs · CDS hub · Syllabus & pattern · CDS 2026
Answer first
Mensuration PYQs (previous year questions) for CDS: Mensuration (Elementary Mathematics) had 360 questions across the 66 official CDS papers we tagged (2016–2026), and appeared in 22 of them. Asked in 11 of 11 years. The concepts asked in the most papers: Circle, Triangle Area, Cylinder.
Year-wise question count
Asked in 11 of 11 years, with 2 papers each year.
| Year | Questions |
|---|---|
| CDS 2026 | 23 |
| CDS 2025 | 27 |
| CDS 2024 | 34 |
| CDS 2023 | 32 |
| CDS 2022 | 38 |
| CDS 2021 | 36 |
| CDS 2020 | 40 |
| CDS 2019 | 37 |
| CDS 2018 | 37 |
| CDS 2017 | 25 |
| CDS 2016 | 31 |
Most-asked concepts
Sorted by the number of papers a concept appeared in.
| Concept | Questions | Papers | Years |
|---|---|---|---|
| Circle | 62 | 15 | 2026, 2024, 2023, 2020, 2019, 2018, 2017, 2016 |
| Triangle Area | 24 | 13 | 2026, 2025, 2020, 2019, 2018, 2017, 2016 |
| Cylinder | 17 | 11 | 2026, 2025, 2023, 2020, 2019, 2018, 2017, 2016 |
| Sphere | 17 | 11 | 2026, 2025, 2023, 2020, 2019, 2018, 2017, 2016 |
| Cone | 21 | 10 | 2026, 2025, 2020, 2019, 2018, 2017, 2016 |
| Cuboid | 19 | 10 | 2026, 2025, 2023, 2020, 2019, 2018 |
| Frustum | 8 | 7 | 2025, 2023, 2020, 2019, 2018, 2017, 2016 |
| Area | 23 | 6 | 2024, 2023, 2018 |
| Area and Perimeter | 31 | 5 | 2022, 2021, 2019 |
| Rectangle | 7 | 5 | 2020, 2019, 2018 |
| Cube | 5 | 5 | 2026, 2023, 2019, 2018 |
| Volume and Surface Area | 44 | 4 | 2022, 2021 |
| Combined Solids | 8 | 4 | 2019, 2017, 2016 |
| Volume | 7 | 4 | 2025, 2024, 2020 |
| Cube and Cuboid | 5 | 4 | 2026, 2023, 2017, 2016 |
| Quadrilateral Area | 5 | 4 | 2025, 2020, 2019, 2016 |
| Square | 5 | 4 | 2023, 2020, 2019, 2018 |
| Rhombus | 4 | 4 | 2026, 2020, 2019 |
| Sectors | 4 | 4 | 2023, 2020, 2019 |
| Sphere and Cylinder | 5 | 3 | 2026, 2023, 2017 |
| Circle and Sector | 3 | 3 | 2026, 2025 |
| Polygons | 3 | 3 | 2026, 2019, 2017 |
| Area Comparison | 3 | 2 | 2017, 2016 |
| Area of Rectangles | 3 | 2 | 2017, 2016 |
| Data Sufficiency | 3 | 2 | 2025, 2024 |
| Arc Length | 2 | 2 | 2020, 2019 |
| Cone and Cylinder | 2 | 2 | 2026, 2017 |
| Heron's Formula | 2 | 2 | 2020, 2019 |
| Surface Area | 2 | 2 | 2024 |
| Cone and Sphere | 2 | 1 | 2023 |
| Area of Composite Figures | 1 | 1 | 2017 |
| Area of Parallelogram | 1 | 1 | 2025 |
| Circle and Square | 1 | 1 | 2025 |
| Circle in Triangle | 1 | 1 | 2023 |
| Cone and Hemisphere | 1 | 1 | 2025 |
| Hemisphere | 1 | 1 | 2019 |
| Parallelogram | 1 | 1 | 2020 |
| Perimeter | 1 | 1 | 2025 |
| Quadrilaterals | 1 | 1 | 2024 |
| Rectangle and Square | 1 | 1 | 2026 |
| Segment of Circle | 1 | 1 | 2026 |
| Semicircles | 1 | 1 | 2020 |
| Sphere and Cuboid | 1 | 1 | 2023 |
| Trapezium | 1 | 1 | 2020 |
How to practise Mensuration PYQs
- Start with the concepts at the top of the table. They have come back the most.
- Solve one year’s Mensuration questions from the official PDF against the clock, then check the answer listed below.
- Log every miss as a concept gap, a calculation slip or a misread. Each needs a different fix.
- Once a concept is clean in two papers, move to the next. Then sit a full paper from the year pages.
Questions by year
Each line gives the question number and paper, type, concept, our one-line summary and the official answer, with a link to the official PDF.
CDS2026
- Q.47 (CDS (I) Maths) · MCQ · Cube: Total surface area of a cube from face and body diagonals PDF
- Q.51 (CDS (I) Maths) · MCQ · Triangle Area: Area range of a right isosceles triangle with perimeter 20 PDF
- Q.58 (CDS (I) Maths) · MCQ · Sphere and Cylinder: Rise in water level when a sphere is dropped into a cylinder PDF
- Q.60 (CDS (I) Maths) · MCQ · Circle and Sector: Angle swept by a minute hand from the area it covers PDF
- Q.61 (CDS (I) Maths) · MCQ · Sphere and Cylinder: Length of wire recast from a copper sphere PDF
- Q.62 (CDS (I) Maths) · MCQ · Rectangle and Square: Square of length-breadth difference for equal-perimeter shapes PDF
- Q.66 (CDS (I) Maths) · MCQ · Cuboid: Side of squares cut from a sheet to make a box of given volume PDF
- Q.69 (CDS (I) Maths) · MCQ · Cuboid: Number of cuboids with natural-number sides of volume 8 PDF
- Q.70 (CDS (I) Maths) · MCQ · Cuboid: Surface area of a cuboid with prime sides and volume 30k² PDF
- Q.52 (CDS (II) Maths) · MCQ · Rhombus: Perimeter of a rhombus from its area and diagonal sum PDF
- Q.53 (CDS (II) Maths) · MCQ · Segment of Circle: Ratio of major to minor segment areas for a right-angle chord PDF
- Q.54 (CDS (II) Maths) · MCQ · Triangle Area: Area of a triangle from side-sum excess conditions PDF
- Q.55 (CDS (II) Maths) · MCQ · Cuboid: Width of a cuboid reservoir from water removed and level drop PDF
- Q.56 (CDS (II) Maths) · MCQ · Cone and Cylinder: Height of a cone made from earth dug out of a well PDF
- Q.58 (CDS (II) Maths) · MCQ · Circle: Diameter of a plate that lost one-ninth weight from holes PDF
- Q.59 (CDS (II) Maths) · MCQ · Polygons: Side of a regular octagon cut from a 4 cm square PDF
- Q.60 (CDS (II) Maths) · MCQ · Cylinder: Rate of rise of water level in a cylindrical reservoir PDF
- Q.66 (CDS (II) Maths) · MCQ · Cube and Cuboid: Relation between volumes of a hollow cube and cuboid from equal sheets PDF
- Q.71 (CDS (II) Maths) · MCQ · Cone: Canvas needed for a conical tent with headroom condition PDF
- Q.73 (CDS (II) Maths) · MCQ · Cube: Maximum cross-section area of a 10 cm cube PDF
- Q.76 (CDS (II) Maths) · MCQ · Cuboid: Volume of a room from its longest diagonals PDF
- Q.77 (CDS (II) Maths) · MCQ · Sphere: Number of small spheres when surface area rises by 900% PDF
- Q.79 (CDS (II) Maths) · MCQ · Cube and Cuboid: Number of cubes joined in a row from total surface area PDF
CDS2025
- Q.16 (CDS (I) Maths) · MCQ · Triangle Area: Area of a triangle from pairwise sums of its sides PDF
- Q.17 (CDS (I) Maths) · MCQ · Area of Parallelogram: Area of a parallelogram with sides 10, 8 and angle 150° PDF
- Q.51 (CDS (I) Maths) · MCQ · Frustum: Whole surface area of a frustum of a cone PDF
- Q.52 (CDS (I) Maths) · MCQ · Frustum: Volume of a frustum of a cone PDF
- Q.53 (CDS (I) Maths) · MCQ · Triangle Area: Area of a right triangle from perimeter and leg-sum excess PDF
- Q.56 (CDS (I) Maths) · MCQ · Quadrilateral Area: Area of quadrilateral formed by tangent points and centres PDF
- Q.58 (CDS (I) Maths) · MCQ · Triangle Area: Approximate area of a triangle with given perimeter and altitude ratio PDF
- Q.59 (CDS (I) Maths) · MCQ · Sphere: Radius of opening of a pot cut from a hollow sphere PDF
- Q.61 (CDS (I) Maths) · MCQ · Cuboid: Height of a hall from longest diagonal and floor diagonal PDF
- Q.63 (CDS (I) Maths) · MCQ · Cuboid: Weight of material used in an open box PDF
- Q.64 (CDS (I) Maths) · MCQ · Cuboid: Weight of the box filled with water PDF
- Q.67 (CDS (I) Maths) · MCQ · Volume: Volume of rainfall per hectare PDF
- Q.68 (CDS (I) Maths) · MCQ · Volume: Weight of annual rainfall on a hectare PDF
- Q.69 (CDS (I) Maths) · MCQ · Cone: Ratio of radius to slant height of a cone with 120° vertex angle PDF
- Q.70 (CDS (I) Maths) · MCQ · Cone: Volume of a cone from sum of slant height, height and radius PDF
- Q.73 (CDS (I) Maths) · MCQ · Triangle Area: Area of an equilateral triangle from inradius PDF
- Q.84 (CDS (I) Maths) · MCQ · Circle and Sector: Angle of a sector whose area equals half the square of the arc PDF
- Q.62 (CDS (II) Maths) · MCQ · Cylinder: Dimensions of a cylinder from height + radius and curved surface area (official answer: D) PDF
- Q.64 (CDS (II) Maths) · MCQ · Cuboid: Cuboid with consecutive-integer dimensions (official answer: B) PDF
- Q.71 (CDS (II) Maths) · MCQ · Triangle Area: Area of a triangle from two sides and included angle (official answer: A) PDF
- Q.75 (CDS (II) Maths) · MCQ · Triangle Area: Area of medial triangle of a triangle with sides 11, 60, 61 (official answer: C) PDF
- Q.76 (CDS (II) Maths) · MCQ · Circle and Sector: Pendulum length from swing angle and arc length (official answer: C) PDF
- Q.77 (CDS (II) Maths) · MCQ · Cone: Volume of a conical tent from vertex angle and curved surface area (official answer: A) PDF
- Q.78 (CDS (II) Maths) · MCQ · Cone and Hemisphere: Ratio of cone height to hemisphere radius for equal volumes (official answer: C) PDF
- Q.79 (CDS (II) Maths) · MCQ · Perimeter: Radius of a semicircle formed from a triangular wire (official answer: D) PDF
- Q.80 (CDS (II) Maths) · MCQ · Circle and Square: Relation between inscribed square and inscribed circle areas (official answer: D) PDF
- Q.86 (CDS (II) Maths) · MCQ · Data Sufficiency: Data sufficiency: parallelogram with a 60° angle and its area (official answer: B) PDF
CDS2024
- Q.37 (CDS (I) Maths) · MCQ · Surface Area: Unpainted area of a cube with circles painted on its faces (official answer: C) PDF
- Q.38 (CDS (I) Maths) · MCQ · Volume: Radius of a bead moulded from part of a circular plate (official answer: B) PDF
- Q.39 (CDS (I) Maths) · MCQ · Circle: Ratio of sector area to minor segment area (official answer: B) PDF
- Q.40 (CDS (I) Maths) · MCQ · Circle: Area between two concentric circles from a tangent chord (official answer: A) PDF
- Q.50 (CDS (I) Maths) · MCQ · Quadrilaterals: Area of a kite from its diagonals (official answer: C) PDF
- Q.56 (CDS (I) Maths) · MCQ · Volume: Percentage change in volume of a box when dimensions change (official answer: C) PDF
- Q.66 (CDS (I) Maths) · MCQ · Data Sufficiency: Data sufficiency comparing areas of a rectangle and parallelogram (official answer: dropped in the final key) PDF
- Q.70 (CDS (I) Maths) · MCQ · Data Sufficiency: Data sufficiency on areas of a quadrilateral and its midpoint quadrilateral (official answer: B) PDF
- Q.76 (CDS (I) Maths) · MCQ · Area: Area of a square containing a given triangle (official answer: C) PDF
- Q.78 (CDS (I) Maths) · MCQ · Area: Area of a triangle inside a square (official answer: A) PDF
- Q.79 (CDS (I) Maths) · MCQ · Circle: Area of the shaded region in a figure with circles (official answer: D) PDF
- Q.80 (CDS (I) Maths) · MCQ · Circle: Ratio of shaded to non-shaded area in a figure with circles (official answer: A) PDF
- Q.86 (CDS (I) Maths) · MCQ · Area: Area of overlap of two rectangles (official answer: B) PDF
- Q.87 (CDS (I) Maths) · MCQ · Area: Area of the non-overlapping region of two rectangles (official answer: C) PDF
- Q.91 (CDS (I) Maths) · MCQ · Area: Area of a triangle inscribed in a rectangle (official answer: C) PDF
- Q.92 (CDS (I) Maths) · MCQ · Area: Area of a trapezium in a rectangle figure (official answer: A) PDF
- Q.93 (CDS (I) Maths) · MCQ · Area: Area of the shaded region in a rectangle figure (official answer: B) PDF
- Q.95 (CDS (I) Maths) · MCQ · Circle: Area of the shaded region between a circle and an equilateral triangle (official answer: dropped in the final key) PDF
- Q.96 (CDS (I) Maths) · MCQ · Circle: Sum of areas of two touching circles inside a 9 by 8 rectangle (official answer: A) PDF
- Q.98 (CDS (I) Maths) · MCQ · Circle: Area of the shaded region in a rectangle with two touching circles (official answer: D) PDF
- Q.99 (CDS (I) Maths) · MCQ · Circle: Ratio of shaded to non-shaded area with semicircles on a diameter (official answer: A) PDF
- Q.100 (CDS (I) Maths) · MCQ · Circle: Perimeter of the shaded region formed by semicircles (official answer: D) PDF
- Q.19 (CDS (II) Maths) · MCQ · Area: Area of a triangle with a 60° angle and given sides PDF
- Q.43 (CDS (II) Maths) · MCQ · Surface Area: Surface area of each of eight pieces of a sphere PDF
- Q.44 (CDS (II) Maths) · MCQ · Circle: Revolutions of a trolley's inner wheel on a circular track PDF
- Q.48 (CDS (II) Maths) · MCQ · Area: Area between a square and the square joining its midpoints PDF
- Q.49 (CDS (II) Maths) · MCQ · Area: Perimeter of a right triangle from its area and side ratio PDF
- Q.50 (CDS (II) Maths) · MCQ · Area: Area of a triangle with sides 4, 4 and 6 PDF
- Q.72 (CDS (II) Maths) · MCQ · Area: Maximum area of a figure with perimeter 400 cm PDF
- Q.82 (CDS (II) Maths) · MCQ · Area: Statements on a set of concentric squares PDF
- Q.83 (CDS (II) Maths) · MCQ · Area: Area of a triangle in a rectangle from diagonal relations PDF
- Q.85 (CDS (II) Maths) · MCQ · Area: Area of triangle BCD formed by a perpendicular to the longest side PDF
- Q.87 (CDS (II) Maths) · MCQ · Volume: Ratio from volumes of a cone, hemisphere and cylinder equal to a sphere PDF
- Q.92 (CDS (II) Maths) · MCQ · Volume: Volume of a cone whose axial section is an equilateral triangle PDF
CDS2023
- Q.58 (CDS (I) Maths) · MCQ · Cube: Percent increase in edge when surface area rises 25% (official answer: D) PDF
- Q.59 (CDS (I) Maths) · MCQ · Cube and Cuboid: Surface area ratio of a cube to one of its two halves (official answer: B) PDF
- Q.60 (CDS (I) Maths) · MCQ · Cuboid: Sum of dimensions from diagonal and surface area (official answer: D) PDF
- Q.61 (CDS (I) Maths) · MCQ · Circle in Triangle: Area of the incircle of a triangle with given sides (official answer: B) PDF
- Q.62 (CDS (I) Maths) · MCQ · Cylinder: Relation of height and radius from surface area condition (official answer: B) PDF
- Q.65 (CDS (I) Maths) · MCQ · Area: Relation between inscribed square and triangle areas in a circle (official answer: B) PDF
- Q.67 (CDS (I) Maths) · MCQ · Circle: Maximum area of three circles inside a given rectangle (official answer: D) PDF
- Q.69 (CDS (I) Maths) · MCQ · Sphere: Surface area ratio when a ball is recast into 64 balls (official answer: A) PDF
- Q.77 (CDS (I) Maths) · MCQ · Circle: Data sufficiency: area of a circle from arc or chord (official answer: B) PDF
- Q.80 (CDS (I) Maths) · MCQ · Circle: Data sufficiency: radius from segment areas (official answer: B) PDF
- Q.85 (CDS (I) Maths) · MCQ · Area: Percent increase in terrace area over a rectangular plinth (official answer: B) PDF
- Q.86 (CDS (I) Maths) · MCQ · Cylinder: Volume of a cylinder formed by rolling a 44 cm square sheet (official answer: A) PDF
- Q.87 (CDS (I) Maths) · MCQ · Cuboid: Area of third face of a cuboid from volume and two faces (official answer: A) PDF
- Q.90 (CDS (I) Maths) · MCQ · Sectors: Area of a sector from its perimeter and radius (official answer: A) PDF
- Q.94 (CDS (I) Maths) · MCQ · Circle: Area of a circle inscribed in a square with corner figures (official answer: A) PDF
- Q.95 (CDS (I) Maths) · MCQ · Square: Area of the small square at a corner of the figure (official answer: D) PDF
- Q.96 (CDS (I) Maths) · MCQ · Area: Area of the shaded region in a square-circle figure (official answer: B) PDF
- Q.97 (CDS (I) Maths) · MCQ · Circle: Ratio of circle area to inscribed rectangle area (official answer: B) PDF
- Q.39 (CDS (II) Maths) · MCQ · Cone and Sphere: Height of a cone covering two stacked spheres (official answer: B) PDF
- Q.40 (CDS (II) Maths) · MCQ · Cone and Sphere: Base radius of a cone covering two stacked spheres (official answer: B) PDF
- Q.42 (CDS (II) Maths) · MCQ · Circle: Ratio of a circle's area to a semicircle's area (official answer: A) PDF
- Q.51 (CDS (II) Maths) · MCQ · Sphere and Cuboid: Radius of a sphere through all corners of a cuboid (official answer: B) PDF
- Q.52 (CDS (II) Maths) · MCQ · Frustum: Distance of a cone vertex from the top of a lamp shade (official answer: B) PDF
- Q.54 (CDS (II) Maths) · MCQ · Area: Area ratio of a triangle and the hexagon cut from it (official answer: B) PDF
- Q.55 (CDS (II) Maths) · MCQ · Circle: Ratio of radii when equal arcs subtend 60° and 75° (official answer: B) PDF
- Q.58 (CDS (II) Maths) · MCQ · Circle: Diameter when circumference exceeds it by 168 cm (official answer: D) PDF
- Q.60 (CDS (II) Maths) · MCQ · Circle: Area of ring between concentric circles from a tangent chord (official answer: D) PDF
- Q.61 (CDS (II) Maths) · MCQ · Circle: Pendulum length from swing angle and arc length (official answer: B) PDF
- Q.65 (CDS (II) Maths) · MCQ · Sphere: Percent fall in surface area when three spheres are recast (official answer: D) PDF
- Q.66 (CDS (II) Maths) · MCQ · Cylinder: Thickness of a hollow cylinder recast from a sphere (official answer: D) PDF
- Q.73 (CDS (II) Maths) · MCQ · Area: Area of an isosceles triangle with squares on its sides (official answer: B) PDF
- Q.81 (CDS (II) Maths) · MCQ · Sphere and Cylinder: Rise in water level when a sphere is submerged in a cylinder (official answer: A) PDF
CDS2022
- Q.18 (CDS (I) Maths) · MCQ · Area and Perimeter: Area enclosed by three touching circles (official answer: C) PDF
- Q.63 (CDS (I) Maths) · MCQ · Volume and Surface Area: Compare a cube and sphere of equal surface area (official answer: D) PDF
- Q.64 (CDS (I) Maths) · MCQ · Volume and Surface Area: Height of a cone from volume and ratio (official answer: D) PDF
- Q.65 (CDS (I) Maths) · MCQ · Volume and Surface Area: Speed of water flowing through a pipe (official answer: B) PDF
- Q.66 (CDS (I) Maths) · MCQ · Volume and Surface Area: Range for diameter of a recast ball (official answer: B) PDF
- Q.67 (CDS (I) Maths) · MCQ · Area and Perimeter: Statements on areas of squares and rectangles (official answer: B) PDF
- Q.68 (CDS (I) Maths) · MCQ · Area and Perimeter: Side of small squares from a combined square (official answer: C) PDF
- Q.69 (CDS (I) Maths) · MCQ · Volume and Surface Area: Relation of sheet sides from rolled cylinder volumes (official answer: C) PDF
- Q.70 (CDS (I) Maths) · MCQ · Volume and Surface Area: Number of balls to raise water level (official answer: C) PDF
- Q.71 (CDS (I) Maths) · MCQ · Area and Perimeter: Height of a triangle made from nine small ones (official answer: A) PDF
- Q.72 (CDS (I) Maths) · MCQ · Area and Perimeter: Area of each part of a rhombus-shaped farm (official answer: A) PDF
- Q.74 (CDS (I) Maths) · MCQ · Area and Perimeter: Area of a parallelogram in terms of an angle (official answer: B) PDF
- Q.75 (CDS (I) Maths) · MCQ · Area and Perimeter: Area of an isosceles right triangle from perimeter (official answer: A) PDF
- Q.76 (CDS (I) Maths) · MCQ · Area and Perimeter: Statements comparing a square and an equilateral triangle (official answer: C) PDF
- Q.84 (CDS (I) Maths) · MCQ · Volume and Surface Area: Time to empty a tank by droplets (official answer: D) PDF
- Q.85 (CDS (I) Maths) · MCQ · Volume and Surface Area: Ratio of surface areas of cuboid and cube (official answer: B) PDF
- Q.89 (CDS (I) Maths) · MCQ · Volume and Surface Area: Volume of rainwater on an area (official answer: B) PDF
- Q.90 (CDS (I) Maths) · MCQ · Area and Perimeter: Revolutions of a wheel over a distance (official answer: D) PDF
- Q.70 (CDS (II) Maths) · MCQ · Volume and Surface Area: Relation of longest rod and height of a room (official answer: A) PDF
- Q.71 (CDS (II) Maths) · MCQ · Volume and Surface Area: Radius of sphere touching a conical vessel (official answer: B) PDF
- Q.72 (CDS (II) Maths) · MCQ · Volume and Surface Area: Water left in cone after sphere immersed (official answer: C) PDF
- Q.73 (CDS (II) Maths) · MCQ · Volume and Surface Area: Ratio of cone lateral area to sphere area (official answer: C) PDF
- Q.74 (CDS (II) Maths) · MCQ · Area and Perimeter: Area of minor segment for a 90-degree chord (official answer: C) PDF
- Q.75 (CDS (II) Maths) · MCQ · Area and Perimeter: Area of major segment for a 90-degree chord (official answer: A) PDF
- Q.80 (CDS (II) Maths) · MCQ · Volume and Surface Area: Diameter of wire from a melted sphere (official answer: C) PDF
- Q.81 (CDS (II) Maths) · MCQ · Volume and Surface Area: Height of a frustum cut from a cone (official answer: D) PDF
- Q.82 (CDS (II) Maths) · MCQ · Volume and Surface Area: Corner square size for an open box (official answer: C) PDF
- Q.83 (CDS (II) Maths) · MCQ · Volume and Surface Area: Sum of reciprocals of cuboid dimensions (official answer: B) PDF
- Q.84 (CDS (II) Maths) · MCQ · Area and Perimeter: Area of an isosceles trapezium (official answer: A) PDF
- Q.85 (CDS (II) Maths) · MCQ · Area and Perimeter: Weight of plate after cutting a disc (official answer: D) PDF
- Q.86 (CDS (II) Maths) · MCQ · Area and Perimeter: Perimeter of a rhombus from area and diagonal (official answer: B) PDF
- Q.89 (CDS (II) Maths) · MCQ · Area and Perimeter: Length minus breadth when square and rectangle compare (official answer: B) PDF
- Q.90 (CDS (II) Maths) · MCQ · Area and Perimeter: Difference in perimeters of two equal-area rectangles (official answer: B) PDF
- Q.91 (CDS (II) Maths) · MCQ · Volume and Surface Area: Thickness of wood of a closed box (official answer: B) PDF
- Q.92 (CDS (II) Maths) · MCQ · Area and Perimeter: Side of an equilateral triangle from area sum (official answer: C) PDF
- Q.93 (CDS (II) Maths) · MCQ · Area and Perimeter: Time to walk around a circular park (official answer: A) PDF
- Q.94 (CDS (II) Maths) · MCQ · Area and Perimeter: Area of triangle outside its incircle (official answer: B) PDF
- Q.95 (CDS (II) Maths) · MCQ · Area and Perimeter: Side x from triangle area using Heron's formula (official answer: D) PDF
CDS2021
- Q.61 (CDS (I) Maths) · MCQ · Volume and Surface Area: Height-radius ratio of a cone and hemisphere (official answer: B) PDF
- Q.62 (CDS (I) Maths) · MCQ · Volume and Surface Area: Diameter of wire drawn from a melted sphere (official answer: B) PDF
- Q.63 (CDS (I) Maths) · MCQ · Volume and Surface Area: Curved surface area of a cylinder from volume and ratio (official answer: C) PDF
- Q.64 (CDS (I) Maths) · MCQ · Volume and Surface Area: Sum of radii of a hollow pipe (official answer: D) PDF
- Q.65 (CDS (I) Maths) · MCQ · Volume and Surface Area: Surface area of the third cube from a melted cube (official answer: C) PDF
- Q.66 (CDS (I) Maths) · MCQ · Volume and Surface Area: Rise in water level when cone is emptied into cylinder (official answer: B) PDF
- Q.67 (CDS (I) Maths) · MCQ · Volume and Surface Area: Base radius of a cone made from a melted cube (official answer: C) PDF
- Q.68 (CDS (I) Maths) · MCQ · Volume and Surface Area: Ratio of radius to slant height of a cone (official answer: C) PDF
- Q.69 (CDS (I) Maths) · MCQ · Volume and Surface Area: Ratio of volumes of cylinders rolled from paper (official answer: B) PDF
- Q.70 (CDS (I) Maths) · MCQ · Volume and Surface Area: Mass of a hollow spherical shell (official answer: A) PDF
- Q.71 (CDS (I) Maths) · MCQ · Volume and Surface Area: Cloth length needed for a conical tent (official answer: C) PDF
- Q.72 (CDS (I) Maths) · MCQ · Volume and Surface Area: Rise in water level after dropping a sphere (official answer: B) PDF
- Q.73 (CDS (I) Maths) · MCQ · Area and Perimeter: Area of a sector from arc length (official answer: A) PDF
- Q.74 (CDS (I) Maths) · MCQ · Area and Perimeter: Side of a rhombus made from a circular wire (official answer: D) PDF
- Q.75 (CDS (I) Maths) · MCQ · Area and Perimeter: Area of a semicircular park from its perimeter (official answer: B) PDF
- Q.80 (CDS (I) Maths) · MCQ · Volume and Surface Area: Ratio of volumes of cube and sphere of equal area (official answer: A) PDF
- Q.30 (CDS (II) Maths) · MCQ · Area and Perimeter: Perimeter of a garden fenced on three sides (official answer: A) PDF
- Q.63 (CDS (II) Maths) · MCQ · Area and Perimeter: Ratio of areas of a square and one on its diagonal (official answer: D) PDF
- Q.64 (CDS (II) Maths) · MCQ · Area and Perimeter: Perimeter of a rhombus from area and diagonal (official answer: C) PDF
- Q.65 (CDS (II) Maths) · MCQ · Area and Perimeter: Area swept by a minute hand in 20 minutes (official answer: C) PDF
- Q.66 (CDS (II) Maths) · MCQ · Volume and Surface Area: Height of a room from its longest rod (official answer: C) PDF
- Q.67 (CDS (II) Maths) · MCQ · Volume and Surface Area: Bottles needed to empty a hemispherical bowl (official answer: C) PDF
- Q.68 (CDS (II) Maths) · MCQ · Volume and Surface Area: Mass of a hollow spherical shell (official answer: D) PDF
- Q.69 (CDS (II) Maths) · MCQ · Volume and Surface Area: Volume of a cone mounted on a hemisphere (official answer: A) PDF
- Q.70 (CDS (II) Maths) · MCQ · Volume and Surface Area: Surface area of cuboid from three joined cubes (official answer: C) PDF
- Q.71 (CDS (II) Maths) · MCQ · Volume and Surface Area: Surface area of a cube topped by a hemisphere (official answer: A) PDF
- Q.72 (CDS (II) Maths) · MCQ · Volume and Surface Area: Coins melted to form a cuboid (official answer: A) PDF
- Q.73 (CDS (II) Maths) · MCQ · Volume and Surface Area: Slant height of a frustum-shaped tub (official answer: B) PDF
- Q.74 (CDS (II) Maths) · MCQ · Volume and Surface Area: Surface area of cone formed by revolving a triangle (official answer: A) PDF
- Q.75 (CDS (II) Maths) · MCQ · Volume and Surface Area: Mass of a rod of two cylinders (official answer: A) PDF
- Q.76 (CDS (II) Maths) · MCQ · Volume and Surface Area: Solid of cone on hemisphere: equal-volume shape (official answer: A) PDF
- Q.77 (CDS (II) Maths) · MCQ · Volume and Surface Area: Solid of cone on hemisphere: total surface area (official answer: C) PDF
- Q.78 (CDS (II) Maths) · MCQ · Volume and Surface Area: Solid of cone on hemisphere: water left in cylinder (official answer: D) PDF
- Q.79 (CDS (II) Maths) · MCQ · Area and Perimeter: Area of minor segment of a circle (official answer: A) PDF
- Q.80 (CDS (II) Maths) · MCQ · Area and Perimeter: Area of major segment of a circle (official answer: D) PDF
- Q.83 (CDS (II) Maths) · MCQ · Area and Perimeter: Statements on areas of sectors at triangle vertices (official answer: C) PDF
CDS2020
- Q.66 (CDS (I) Maths) · MCQ · Triangle Area: Area of a triangle with algebraic side lengths (official answer: C) PDF
- Q.67 (CDS (I) Maths) · MCQ · Triangle Area: Area of a triangle from two angles and the included side (official answer: C) PDF
- Q.68 (CDS (I) Maths) · MCQ · Parallelogram: Remaining area after cutting a triangle from a parallelogram (official answer: D) PDF
- Q.72 (CDS (I) Maths) · MCQ · Circle: Ratio of perimeters of a circle and square of equal area (official answer: C) PDF
- Q.74 (CDS (I) Maths) · MCQ · Cylinder: Paint needed for all surfaces of a hollow cylinder (official answer: C) PDF
- Q.75 (CDS (I) Maths) · MCQ · Rectangle: Other side of a rectangle equal in area to a square (official answer: C) PDF
- Q.76 (CDS (I) Maths) · MCQ · Rectangle: Ratio of triangles formed by the diagonals of a rectangle (official answer: D) PDF
- Q.77 (CDS (I) Maths) · MCQ · Sectors: Area of a circle after removing a sector (official answer: C) PDF
- Q.80 (CDS (I) Maths) · MCQ · Cylinder: Volume of earth dug out for a well (official answer: D) PDF
- Q.81 (CDS (I) Maths) · MCQ · Rhombus: Area of a rhombus from its diagonals (official answer: A) PDF
- Q.84 (CDS (I) Maths) · MCQ · Arc Length: Approximate length of an arc from radius and angle (official answer: A) PDF
- Q.86 (CDS (I) Maths) · MCQ · Circle: Largest square that can be cut from a unit circular disc (official answer: D) PDF
- Q.87 (CDS (I) Maths) · MCQ · Sphere: Height of the centre of a ball resting on three others (official answer: D) PDF
- Q.88 (CDS (I) Maths) · MCQ · Sphere: Relation between sphere area and enclosing cylinder area (official answer: A) PDF
- Q.89 (CDS (I) Maths) · MCQ · Quadrilateral Area: Area of a quadrilateral with an equilateral part and right angle (official answer: A) PDF
- Q.90 (CDS (I) Maths) · MCQ · Circle: Ratio of shaded to unshaded regions with semicircles on a diameter (official answer: B) PDF
- Q.91 (CDS (I) Maths) · MCQ · Circle: Area of the region enclosed between three touching circles (official answer: A) PDF
- Q.92 (CDS (I) Maths) · MCQ · Circle: Area of a segment above a rectangle inscribed in a circle (official answer: B) PDF
- Q.94 (CDS (I) Maths) · MCQ · Trapezium: Area of a trapezium from its four sides (official answer: D) PDF
- Q.98 (CDS (I) Maths) · MCQ · Semicircles: Total area of three semicircles on a line (official answer: D) PDF
- Q.99 (CDS (I) Maths) · MCQ · Circle: Shaded area between a circle and inscribed rectangle (official answer: D) PDF
- Q.22 (CDS (II) Maths) · MCQ · Volume: Water flowing from a river into the sea per minute (official answer: A) PDF
- Q.45 (CDS (II) Maths) · MCQ · Sphere: Rationality of area and volume of a sphere with rational radius (official answer: D) PDF
- Q.66 (CDS (II) Maths) · MCQ · Cone: Relation among height, curved area and volume of a cone (official answer: A) PDF
- Q.67 (CDS (II) Maths) · MCQ · Sphere: Number of small balls cast from a large ball (official answer: D) PDF
- Q.68 (CDS (II) Maths) · MCQ · Heron's Formula: Area of a triangle from two sides and perimeter (official answer: D) PDF
- Q.69 (CDS (II) Maths) · MCQ · Rhombus: Area of a rhombus from diagonal and perimeter relations (official answer: C) PDF
- Q.70 (CDS (II) Maths) · MCQ · Triangle Area: Area of a right triangle from circumradius and altitude (official answer: A) PDF
- Q.72 (CDS (II) Maths) · MCQ · Rectangle: Area change after length up and breadth down by 10% (official answer: C) PDF
- Q.73 (CDS (II) Maths) · MCQ · Sphere: Volume ratio of spheres from surface area ratio (official answer: D) PDF
- Q.74 (CDS (II) Maths) · MCQ · Cuboid: Number of bricks needed for a wall (official answer: C) PDF
- Q.76 (CDS (II) Maths) · MCQ · Circle: Radius of a wheel from revolutions and distance (official answer: B) PDF
- Q.77 (CDS (II) Maths) · MCQ · Cone: Height ratio of cones from volume and diameter ratios (official answer: A) PDF
- Q.79 (CDS (II) Maths) · MCQ · Circle: Area ratio of a circle and square with equal perimeters (official answer: D) PDF
- Q.83 (CDS (II) Maths) · MCQ · Triangle Area: Altitude ratio for a triangle and parallelogram of equal area (official answer: B) PDF
- Q.84 (CDS (II) Maths) · MCQ · Square: Perimeter ratio from area ratio of two squares (official answer: C) PDF
- Q.86 (CDS (II) Maths) · MCQ · Sectors: Area of a segment of a circle (official answer: B) PDF
- Q.88 (CDS (II) Maths) · MCQ · Circle: Radius of four circles in a square from uncovered area (official answer: B) PDF
- Q.89 (CDS (II) Maths) · MCQ · Frustum: Capacity of a bucket with given radii and height (official answer: B) PDF
- Q.90 (CDS (II) Maths) · MCQ · Cuboid: Expression in surface area and volume of a cuboid (official answer: C) PDF
CDS2019
- Q.71 (CDS (I) Maths) · MCQ · Rectangle: Percentage increase in perimeter of a rectangle (official answer: C) PDF
- Q.72 (CDS (I) Maths) · MCQ · Triangle Area: Percentage decrease in triangle area when sides are halved (official answer: A) PDF
- Q.73 (CDS (I) Maths) · MCQ · Sphere: Percentage rise in surface area when balloon volume rises (official answer: A) PDF
- Q.75 (CDS (I) Maths) · MCQ · Sectors: Common area of two quarter-circle sectors in a square (official answer: C) PDF
- Q.76 (CDS (I) Maths) · MCQ · Polygons: Side of a regular octagon cut from a square (official answer: A) PDF
- Q.78 (CDS (I) Maths) · MCQ · Circle: Area of the ring between two concentric circles (official answer: C) PDF
- Q.79 (CDS (I) Maths) · MCQ · Rectangle: Area of a border on a rectangular carpet (official answer: C) PDF
- Q.81 (CDS (I) Maths) · MCQ · Circle: Radius of a circle inscribed in a square made from one wire (official answer: D) PDF
- Q.91 (CDS (I) Maths) · MCQ · Combined Solids: Ratio of sphere volume to cone volume in nested solids (official answer: A) PDF
- Q.92 (CDS (I) Maths) · MCQ · Combined Solids: Ratio of cube volume to cylinder volume in nested solids (official answer: C) PDF
- Q.93 (CDS (I) Maths) · MCQ · Combined Solids: Statements comparing surface areas of nested solids (official answer: D) PDF
- Q.94 (CDS (I) Maths) · MCQ · Quadrilateral Area: Area of one triangle of a quadrilateral with given sides (official answer: A) PDF
- Q.95 (CDS (I) Maths) · MCQ · Quadrilateral Area: Area of a quadrilateral with a right angle and given sides (official answer: B) PDF
- Q.96 (CDS (I) Maths) · MCQ · Triangle Area: Difference of perimeters of two triangles in a quadrilateral (official answer: C) PDF
- Q.99 (CDS (I) Maths) · MCQ · Cuboid: Surface area of a cuboid from edge sum and diagonal (official answer: A) PDF
- Q.26 (CDS (II) Maths) · MCQ · Combined Solids: Water left after immersing the largest sphere in a cylinder (official answer: B) PDF
- Q.41 (CDS (II) Maths) · MCQ · Cuboid: Volume of a cuboid from areas of three adjacent faces (official answer: B) PDF
- Q.42 (CDS (II) Maths) · MCQ · Triangle Area: Area of an equilateral triangle from its median (official answer: A) PDF
- Q.43 (CDS (II) Maths) · MCQ · Circle: Radius when a sector-shaped wire is bent into a circle (official answer: D) PDF
- Q.46 (CDS (II) Maths) · MCQ · Area and Perimeter: Area ratio of triangle and square from equal wires (official answer: C) PDF
- Q.47 (CDS (II) Maths) · MCQ · Rhombus: Area of a rhombus from diagonal ratio and sum (official answer: C) PDF
- Q.49 (CDS (II) Maths) · MCQ · Cylinder: Ratio of radii of equal-volume cylinders (official answer: B) PDF
- Q.50 (CDS (II) Maths) · MCQ · Rectangle: Percentage increase in area of a rectangle (official answer: A) PDF
- Q.51 (CDS (II) Maths) · MCQ · Triangle Area: Maximum area of a right triangle with given hypotenuse (official answer: C) PDF
- Q.52 (CDS (II) Maths) · MCQ · Circle: Ratio of circle area to inscribed square area (official answer: A) PDF
- Q.53 (CDS (II) Maths) · MCQ · Cylinder: Volume of a cylinder from diameter and curved area (official answer: C) PDF
- Q.54 (CDS (II) Maths) · MCQ · Arc Length: Angle subtended by an arc of given length (official answer: C) PDF
- Q.55 (CDS (II) Maths) · MCQ · Square: Ratio of squares inscribed in a semicircle and a circle (official answer: B) PDF
- Q.57 (CDS (II) Maths) · MCQ · Heron's Formula: Quantities whose logs are needed for a triangle's area (official answer: D) PDF
- Q.61 (CDS (II) Maths) · MCQ · Sphere: Height of a cone made by melting a hollow sphere (official answer: A) PDF
- Q.62 (CDS (II) Maths) · MCQ · Cone: Change in flat surface area after recasting a cylinder into cones (official answer: B) PDF
- Q.64 (CDS (II) Maths) · MCQ · Cube: Face area of the largest skeleton cube from a rod (official answer: D) PDF
- Q.66 (CDS (II) Maths) · MCQ · Sphere: Radius of a sphere made by melting three spheres (official answer: D) PDF
- Q.67 (CDS (II) Maths) · MCQ · Hemisphere: Radius of a hemisphere from its volume (official answer: B) PDF
- Q.68 (CDS (II) Maths) · MCQ · Frustum: Capacity of a bucket shaped as a frustum (official answer: B) PDF
- Q.69 (CDS (II) Maths) · MCQ · Cone: Total surface area of a cone (official answer: A) PDF
- Q.70 (CDS (II) Maths) · MCQ · Cuboid: Surface area of a cuboid formed by joining cubes (official answer: C) PDF
CDS2018
- Q.66 (CDS (I) Maths) · MCQ · Cone: Volume of a cone from radius and slant height (official answer: A) PDF
- Q.67 (CDS (I) Maths) · MCQ · Circle: Area left after cutting two largest equal circles (official answer: A) PDF
- Q.68 (CDS (I) Maths) · MCQ · Cone: Ratio of total to curved surface area of a cone (official answer: D) PDF
- Q.69 (CDS (I) Maths) · MCQ · Frustum: Curved surface ratio of cone and frustum from volume ratio (official answer: B) PDF
- Q.70 (CDS (I) Maths) · MCQ · Area: Cost of carpeting half the free floor area (official answer: C) PDF
- Q.71 (CDS (I) Maths) · MCQ · Circle: Behaviour of ratio of radii of equal-area concentric rings (official answer: B) PDF
- Q.72 (CDS (I) Maths) · MCQ · Cone: Largest cone cut from a cube of edge 2a (official answer: C) PDF
- Q.74 (CDS (I) Maths) · MCQ · Sphere: Radius when sphere's surface area equals its volume (official answer: B) PDF
- Q.77 (CDS (I) Maths) · MCQ · Cone: Height of a cone from curved surface area and diameter (official answer: D) PDF
- Q.82 (CDS (I) Maths) · MCQ · Square: Side of a square from increase in area (official answer: B) PDF
- Q.84 (CDS (I) Maths) · MCQ · Cuboid: Paint cans needed for walls of five rooms (official answer: C) PDF
- Q.85 (CDS (I) Maths) · MCQ · Rectangle: Cost of tiles for a rectangular pathway (official answer: D) PDF
- Q.86 (CDS (I) Maths) · MCQ · Sphere: Volume ratio of largest cube inside a sphere (official answer: C) PDF
- Q.87 (CDS (I) Maths) · MCQ · Cone: Curved surface area from base circumference to height ratio (official answer: D) PDF
- Q.88 (CDS (I) Maths) · MCQ · Circle: Side of square made from a circular wire (official answer: C) PDF
- Q.91 (CDS (I) Maths) · MCQ · Circle: Area of largest disc cut from a square (official answer: B) PDF
- Q.92 (CDS (I) Maths) · MCQ · Square: Side of a square from product of diagonals (official answer: B) PDF
- Q.93 (CDS (I) Maths) · MCQ · Cylinder: Diameter of a closed cylinder from surface area (official answer: B) PDF
- Q.94 (CDS (I) Maths) · MCQ · Triangle Area: Area of equilateral triangle with same perimeter as square (official answer: D) PDF
- Q.95 (CDS (I) Maths) · MCQ · Circle: Area between a square and its circumcircle (official answer: D) PDF
- Q.98 (CDS (I) Maths) · MCQ · Triangle Area: Shaded area in an equilateral triangle with midpoints (official answer: A) PDF
- Q.72 (CDS (II) Maths) · MCQ · Circle: Area of square inscribed in incircle of equilateral triangle (official answer: D) PDF
- Q.73 (CDS (II) Maths) · MCQ · Cuboid: Paint cans for walls of five rooms with windows (official answer: B) PDF
- Q.75 (CDS (II) Maths) · MCQ · Triangle Area: Area of triangle with sides 5, 6 and 7 cm (official answer: B) PDF
- Q.76 (CDS (II) Maths) · MCQ · Circle: Total area of a circular plot with a 5 m path (official answer: B) PDF
- Q.77 (CDS (II) Maths) · MCQ · Cone: Base radius from lateral surface area and slant height (official answer: C) PDF
- Q.78 (CDS (II) Maths) · MCQ · Cone: Semi-vertical angle of a cone made from a semicircle (official answer: C) PDF
- Q.79 (CDS (II) Maths) · MCQ · Cylinder: Base radius when lateral area is half the total area (official answer: B) PDF
- Q.80 (CDS (II) Maths) · MCQ · Cuboid: Least number of equal cubes cut from a block (official answer: D) PDF
- Q.81 (CDS (II) Maths) · MCQ · Cube: Total surface area of a cube from its diagonal (official answer: D) PDF
- Q.82 (CDS (II) Maths) · MCQ · Area: Compare areas of triangle, square and circle of equal perimeter (official answer: A) PDF
- Q.86 (CDS (II) Maths) · MCQ · Cone: Volume ratio of two cones from heights and radii ratios (official answer: C) PDF
- Q.90 (CDS (II) Maths) · MCQ · Circle: Area between a square and its incircle (official answer: A) PDF
- Q.91 (CDS (II) Maths) · MCQ · Circle: Shaded area of semicircles on sides of a right triangle (official answer: D) PDF
- Q.93 (CDS (II) Maths) · MCQ · Circle: Shaded area from semicircles on a divided diameter (official answer: B) PDF
- Q.98 (CDS (II) Maths) · MCQ · Circle: Shaded area formed by semicircles of 108 cm diameter (official answer: C) PDF
- Q.100 (CDS (II) Maths) · MCQ · Area: Shaded area of a square with quadrants and circle removed (official answer: C) PDF
CDS2017
- Q.71 (CDS (I) Maths) · MCQ · Area of Rectangles: Length from perimeter and area (official answer: D) PDF
- Q.73 (CDS (I) Maths) · MCQ · Cylinder: Surface area of a pipe holding a ball (official answer: C, D) PDF
- Q.74 (CDS (I) Maths) · MCQ · Circle: Radius of smaller field from area ratio (official answer: B) PDF
- Q.77 (CDS (I) Maths) · MCQ · Area of Rectangles: Area increase when sides rise 200% (official answer: D) PDF
- Q.78 (CDS (I) Maths) · MCQ · Circle: Area enclosed between three touching circles (official answer: C) PDF
- Q.79 (CDS (I) Maths) · MCQ · Polygons: Area of a regular hexagon (official answer: B) PDF
- Q.82 (CDS (I) Maths) · MCQ · Cone: Volume change when radius rises p% (official answer: D) PDF
- Q.83 (CDS (I) Maths) · MCQ · Circle: Area enclosed when square wire is bent to a circle (official answer: C) PDF
- Q.85 (CDS (I) Maths) · MCQ · Sphere: Radius change when surface area is cut to 1/9 (official answer: B) PDF
- Q.87 (CDS (I) Maths) · MCQ · Cone and Cylinder: Number of cones filled from a cylinder (official answer: C) PDF
- Q.88 (CDS (I) Maths) · MCQ · Circle: Area increase when circumference rises 15% (official answer: B) PDF
- Q.90 (CDS (I) Maths) · MCQ · Area of Composite Figures: Area of a field from a figure (official answer: C) PDF
- Q.56 (CDS (II) Maths) · MCQ · Circle: Radii from diameter ratio and area sum (official answer: D) PDF
- Q.57 (CDS (II) Maths) · MCQ · Cube and Cuboid: Area of tape used to join a cube's edges (official answer: B) PDF
- Q.59 (CDS (II) Maths) · MCQ · Area Comparison: Area ratio of triangle on a square side (official answer: D) PDF
- Q.60 (CDS (II) Maths) · MCQ · Triangle Area: Area of a triangle with sides 51, 37, 20 (official answer: C) PDF
- Q.61 (CDS (II) Maths) · MCQ · Circle: Area of triangle outside a circle (official answer: B) PDF
- Q.70 (CDS (II) Maths) · MCQ · Sphere and Cylinder: Ratio of cylinder curved area to sphere area (official answer: A) PDF
- Q.71 (CDS (II) Maths) · MCQ · Sphere and Cylinder: Water rise when a sphere is immersed (official answer: D) PDF
- Q.72 (CDS (II) Maths) · MCQ · Cone: Volume of a cone from vertical angle (official answer: C) PDF
- Q.73 (CDS (II) Maths) · MCQ · Frustum: Ratio of frustum volume to full cone (official answer: D) PDF
- Q.74 (CDS (II) Maths) · MCQ · Cone: Inner surface area of a conical cavity (official answer: D) PDF
- Q.75 (CDS (II) Maths) · MCQ · Combined Solids: Capacity of a cylinder-cone tent (official answer: B) PDF
- Q.76 (CDS (II) Maths) · MCQ · Cylinder: Largest cylinder from two rectangular sheets (official answer: B) PDF
- Q.81 (CDS (II) Maths) · MCQ · Circle: Radius from arc length and angle (official answer: B) PDF
CDS2016
- Q.49 (CDS (I) Maths) · MCQ · Circle: Radius from arc length and central angle (official answer: C) PDF
- Q.53 (CDS (I) Maths) · MCQ · Quadrilateral Area: Rectangle area from rhombus of its midpoints (official answer: B) PDF
- Q.56 (CDS (I) Maths) · MCQ · Circle: Revolutions of a wheel over 4 km (official answer: D) PDF
- Q.57 (CDS (I) Maths) · MCQ · Triangle Area: Area of an isosceles triangle (official answer: C) PDF
- Q.58 (CDS (I) Maths) · MCQ · Circle: Radius of four discs from enclosed area (official answer: D) PDF
- Q.77 (CDS (I) Maths) · MCQ · Circle: Pathway area between concentric rings (official answer: C) PDF
- Q.84 (CDS (I) Maths) · MCQ · Circle: Ratio of areas cut by semicircles (official answer: B) PDF
- Q.100 (CDS (I) Maths) · MCQ · Circle: Cost to level shaded semicircle region (official answer: C) PDF
- Q.41 (CDS (II) Maths) · MCQ · Area of Rectangles: Floor area from area of four walls (official answer: B) PDF
- Q.43 (CDS (II) Maths) · MCQ · Cylinder: Volume of cylinder from surface area ratio (official answer: C) PDF
- Q.44 (CDS (II) Maths) · MCQ · Cube and Cuboid: Weight of a cube cut from a copper bar (official answer: B) PDF
- Q.45 (CDS (II) Maths) · MCQ · Cone: Bags of wheat that fit in a conical tent (official answer: C) PDF
- Q.47 (CDS (II) Maths) · MCQ · Circle: Difference of radii of touching circles (official answer: D) PDF
- Q.49 (CDS (II) Maths) · MCQ · Circle: Revolutions of a wheel over 7 km (official answer: D) PDF
- Q.50 (CDS (II) Maths) · MCQ · Combined Solids: Height of a cylinder-dome building (official answer: D) PDF
- Q.51 (CDS (II) Maths) · MCQ · Cylinder: Total surface area of a cylinder (official answer: C) PDF
- Q.52 (CDS (II) Maths) · MCQ · Sphere: Painting cost per cm² of a sphere (official answer: C) PDF
- Q.54 (CDS (II) Maths) · MCQ · Area Comparison: Circle vs square with equal perimeter (official answer: B) PDF
- Q.55 (CDS (II) Maths) · MCQ · Frustum: Capacity of a frustum-shaped glass (official answer: A) PDF
- Q.57 (CDS (II) Maths) · MCQ · Cylinder: Rainfall that fills a cylindrical vessel (official answer: C) PDF
- Q.58 (CDS (II) Maths) · MCQ · Cone: Height of section cutting a small cone (official answer: D) PDF
- Q.60 (CDS (II) Maths) · MCQ · Sphere: Volume of a sphere of radius 3 cm (official answer: A) PDF
- Q.61 (CDS (II) Maths) · MCQ · Triangle Area: Area of a triangle with surd sides (official answer: C) PDF
- Q.62 (CDS (II) Maths) · MCQ · Triangle Area: Largest triangle in a semicircle (official answer: A) PDF
- Q.63 (CDS (II) Maths) · MCQ · Circle: Revolutions of rear wheel vs front wheel (official answer: C) PDF
- Q.64 (CDS (II) Maths) · MCQ · Combined Solids: Slant height of circus tent cone (official answer: B) PDF
- Q.65 (CDS (II) Maths) · MCQ · Cylinder: Curved surface of circus tent cylinder (official answer: A) PDF
- Q.66 (CDS (II) Maths) · MCQ · Combined Solids: Canvas needed for a circus tent (official answer: D) PDF
- Q.67 (CDS (II) Maths) · MCQ · Circle: Wheel revolutions of a car in 10 minutes (official answer: C) PDF
- Q.68 (CDS (II) Maths) · MCQ · Triangle Area: Area of 5-12-13 triangle (official answer: A) PDF
- Q.69 (CDS (II) Maths) · MCQ · Area Comparison: Area ratio of circle and square of equal perimeter (official answer: B) PDF
Other Elementary Mathematics topics
- Number System and Simplification PYQs
- Percentage, Ratio, Profit and Interest PYQs
- Time, Speed and Work PYQs
- Algebra PYQs
- Trigonometry PYQs
- Geometry PYQs
- Statistics PYQs
FAQ
How many Mensuration questions come in CDS?
In the official papers we tagged: 23 in 2026, 27 in 2025, 34 in 2024, 32 in 2023, 38 in 2022, 36 in 2021, 40 in 2020, 37 in 2019, 37 in 2018, 25 in 2017 and 31 in 2016 (2 papers each year). That is 360 questions in all, about 16% of Elementary Mathematics.
Which Mensuration topics repeat in CDS?
Asked in the most papers: Circle, Triangle Area, Cylinder. The concept table lists every one with its count.
Are these official CDS questions?
Yes. Every question is from an official CDS paper hosted on our year pages. The one-line summaries are ours; open the PDF linked beside each question for the full text.