11 year papers

Three Dimensional Geometry CBSE Class 12 PYQ Chapter Wise

Three Dimensional Geometry CBSE Class 12 PYQs: all 30 questions from 50 official papers (2016–2026), by concept. Asked in 10 of 10 years.

Updated2 min read
Full name
CBSE Class 12 Board Examination
Conducted by
Central Board of Secondary Education
Frequency
Annual board exams (as notified)
Sections
Subject-wise theory papers (as opted)
Official site
cbse.gov.in ↗

Explore: All CBSE Class 12 chapters · CBSE Class 12 Mathematics PYQs · CBSE Class 12 hub · Syllabus & pattern · Class 12 2026

Answer first

Three Dimensional Geometry PYQs (previous year questions) for CBSE Class 12: Three Dimensional Geometry (Mathematics) had 30 questions across the 50 official CBSE Class 12 papers we tagged (2016–2026), and appeared in 10 of them. Asked in 10 of 10 years. The concepts asked in the most papers: Equation of Plane, Direction Cosines, Distance from Axis.

Year-wise question count

Asked in 10 of 10 years.

Most-asked concepts

Sorted by the number of papers a concept appeared in.

ConceptQuestionsPapersYears
Equation of Plane542022, 2020, 2019, 2016
Direction Cosines432024, 2023, 2019
Angle Between Lines332026, 2020, 2019
Distance from Axis332026, 2024, 2020
Shortest Distance Between Lines332026, 2025, 2018
Equation of Line322023, 2020
Image of a Point222025, 2024
Line and Plane Intersection222018, 2017
Distance Between Planes112017
Distance from Plane112022
Foot of Perpendicular112016
Section Formula112017
Skew and Intersecting Lines112022

How to practise Three Dimensional Geometry PYQs

  1. Start with the concepts at the top of the table. They have come back the most.
  2. Solve one year’s Three Dimensional Geometry questions from the official PDF against the clock, then check the answer listed below.
  3. Log every miss as a concept gap, a calculation slip or a misread. Each needs a different fix.
  4. 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, with a link to the official PDF.

CBSE Class 122026

  • Q.16 (Mathematics (65/1/1)) · MCQ · Distance from Axis: Perpendicular length from a point to a coordinate-axis line PDF
  • Q.20 (Mathematics (65/1/1)) · Assertion-Reason · Angle Between Lines: A-R on perpendicularity condition for two lines in parametric form PDF
  • Q.35 (Mathematics (65/1/1)) · Long answer · Shortest Distance Between Lines: Check if two lines are parallel; find distance or intersection PDF

CBSE Class 122025

  • Q.29 (Mathematics (65/1/1)) · Short answer · Shortest Distance Between Lines: Verify two lines are skew and find shortest distance PDF
  • Q.34 (Mathematics (65/1/1)) · Long answer · Image of a Point: Image of A(1, 6, 3) in a line and line joining A and its image PDF

CBSE Class 122024

  • Q.9 (Mathematics (65/1/1)) · MCQ · Direction Cosines: Value of k when direction cosines are all equal multiples of k PDF
  • Q.16 (Mathematics (65/1/1)) · MCQ · Distance from Axis: Distance of point P(a, b, c) from the y-axis PDF
  • Q.20 (Mathematics (65/1/1)) · Assertion-Reason · Direction Cosines: A-R on no line being perpendicular to all three axes PDF
  • Q.35 (Mathematics (65/1/1)) · Long answer · Image of a Point: Find P given its image in a line is P'(1, 0, 7) PDF

CBSE Class 122023

  • Q.11 (Mathematics (65/1/1)) · MCQ · Direction Cosines: Direction cosines of a line in symmetric form PDF
  • Q.20 (Mathematics (65/1/1)) · Assertion-Reason · Equation of Line: A-R on the two-point form of a line in space PDF
  • Q.34 (Mathematics (65/1/1)) · Long answer · Equation of Line: Line through a point parallel to AB and distance between the lines PDF

CBSE Class 122022

  • Q.6 (Mathematics Term 2 (65/1/1)) · Short answer I · Distance from Plane: Values of lambda for a point at given distance from a plane PDF
  • Q.8 (Mathematics Term 2 (65/1/1)) · Short answer II · Equation of Plane: Plane through intersection of two planes and a given point PDF
  • Q.14 (Mathematics Term 2 (65/1/1)) · Case-based · Skew and Intersecting Lines: Case study: check two wire lines are coplanar and find intersection PDF

CBSE Class 122020

  • Q.5 (Mathematics (65/1/1)) · MCQ · Equation of Line: Vector line through a point perpendicular to the plane z = 0 PDF
  • Q.8 (Mathematics (65/1/1)) · MCQ · Distance from Axis: Length of perpendicular from a point to the y-axis PDF
  • Q.25 (Mathematics (65/1/1)) · Short answer · Angle Between Lines: Find k so two lines in symmetric form are perpendicular PDF
  • Q.36 (Mathematics (65/1/1)) · Long answer II · Equation of Plane: Plane through a point perpendicular to two planes' intersection line; angle with y-axis PDF

CBSE Class 122019

  • Q.4 (Mathematics (65/1/1)) · Very short answer · Direction Cosines: Direction cosines of a line from its angles with the axes PDF
  • Q.23 (Mathematics (65/1/1)) · Long answer I · Angle Between Lines: Find lambda so two lines are perpendicular; check if they intersect PDF
  • Q.27 (Mathematics (65/1/1)) · Long answer II · Equation of Plane: Plane through three points and a parallel plane through a point PDF

CBSE Class 122018

  • Q.21 (Mathematics (65/1)) · Long answer I · Shortest Distance Between Lines: Shortest distance between two lines in vector form PDF
  • Q.28 (Mathematics (65/1)) · Long answer II · Line and Plane Intersection: Distance of a point from where a line meets a plane PDF

CBSE Class 122017

  • Q.4 (Mathematics (65/1)) · Very short answer · Distance Between Planes: Distance between two parallel planes PDF
  • Q.9 (Mathematics (65/1)) · Short answer · Section Formula: z-coordinate of a point on line PQ with given x-coordinate PDF
  • Q.29 (Mathematics (65/1)) · Long answer II · Line and Plane Intersection: Point where a line crosses the plane through three points PDF

CBSE Class 122016

  • Q.4 (Mathematics (65/1/N)) · Very short answer · Equation of Plane: Sum of intercepts cut by a given plane on the axes PDF
  • Q.18 (Mathematics (65/1/N)) · Long answer I · Foot of Perpendicular: Foot of perpendicular from a point to line BC and its image PDF
  • Q.24 (Mathematics (65/1/N)) · Long answer II · Equation of Plane: Plane through intersection of two planes with equal x and y intercepts PDF

Other Mathematics chapters

FAQ

How many Three Dimensional Geometry questions come in CBSE Class 12?

In the official papers we tagged: 3 in 2026, 2 in 2025, 4 in 2024, 3 in 2023, 3 in 2022, 4 in 2020, 3 in 2019, 2 in 2018, 3 in 2017 and 3 in 2016. That is 30 questions in all, about 10% of Mathematics.

Which Three Dimensional Geometry topics repeat in CBSE Class 12?

Asked in the most papers: Equation of Plane, Direction Cosines, Distance from Axis. The concept table lists every one with its count.

Are these official CBSE Class 12 questions?

Yes. Every question is from an official CBSE Class 12 paper hosted on our year pages. The one-line summaries are ours; open the PDF linked beside each question for the full text.