CBSE Class 12 Maths Most Repeated Questions PDF: Practice for Board Exam 2026

Most Repeated Questions in Class 12 Maths: CBSE Class 12 Board Exams 2026 are approaching, and this is the most crucial time for students to focus on revision and practice. To help you strengthen your preparation for the upcoming CBSE Class 12 Maths Board Exam 2026, we have provided a complete list of the most repeated and frequently asked questions in previous years’ Maths board exams. These questions will give students a clear understanding of the important topics and commonly asked patterns, increasing the chances of scoring higher marks. Do not miss out on practising these important and high-weightage questions while preparing for your final exam.

Most Repeated CBSE Class 12 Mathematics Questions 

Check the marks-wise list of the most repeated CBSE Class 12 Maths questions below. The questions have been organised as per the latest marking scheme so that students can focus on the right type of practice. You will find MCQs, 2-mark questions, 3-mark questions, case-based questions, and long-form questions that have appeared multiple times in previous CBSE board exams. 

Important Questions for Class 12 Mathematics

Check the list of important questions for CBSE Class 12 Maths below. Find questions and answers for CBSE Class 12 Maths that should not be missed by students and must be practised. 

1.

Answer.

2.

Answer.

3. Using integration find the area of the region in 1st quadrant enclosed by the X-axis, the line y = x and circle x²+y² = 32

Answer. 4π 8q unit

4. Find the projection of the vector a on vector b, where  vector a = i - j and vector b = i + j

Answer. 0

5. Show that the height of a cylinder of maximum volume that can be inscribed in a sphere of radius R is 2R/√3. Also, find the maximum volume.

Answer. V max =  4πR³

                              3√3

6. Let A = R - {3} and B = R - {1}, Consider the function f: A → B defined by ·ƒ (x) = x-2/x-3 Is f bijective?

Answer. f(x) is bijective

7. Let A = {1,2,3} and R = {(1,1) (1,3) (3,1) (2,2) (2,1) (3,3)} be a relation on A. Then R is 

(a) Reflexive

(b) Both Reflexive and Symmetric

(c) Symmetric but not Reflexive 

(d) Both Reflexive and Transitive

Answer. (a) Reflexive

8. The Relation R in the set {1,2,3} given by R = {(1,1) (2,2) (3,3) (1,2) (2,3)} is

(a) Reflexive only

(b) Symmetric only

(c) Transitive only

(d) Equivalence

Answer. (a) Reflexive only

9. Solve the differential question:

, where x ∈ (-∞, -1) U (1,∞)

Answer.

10. Find the vector and the cartesian equation of a line passing through the point (1,2,-4) and parallel to the line joining the points A(3,3,-5) and B(1,0,-11). Hence, find the distance between the two lines. 

Answer. √293/7 sq units

11. Find the shortest distance between the lines whose vector equations areand

a. 1/√19

b. 3/√19

c. 9/√19

d. None of these

Answer. b

12. Assertion: If A =

Reason:

a. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

b. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

c. Assertion is correct but Reason is incorrect

d.  Assertion is incorrect but Reason is correct

Answer. d

Last-Minute Tips for Class 12 Maths Board Exam 2026

To score high marks in CBSE Class 12 Maths, students must follow a smart revision strategy. Here are some practical tips to boost your performance:

• Revise formulas, theorems, and standard results daily

• Practice NCERT textbook questions—most papers follow NCERT patterns

• Solve previous years’ question papers and sample papers

• Manage time wisely while attempting long-form solutions

• Show proper steps and reasoning to secure full marks

• Double-check calculations to avoid silly mistakes

Staying calm and confident during the exam can significantly improve accuracy and speed.

Chapter-wise Weightage for CBSE Class 12 Maths Exam 2026

Understanding chapter-wise importance will help you prioritise revision:

Why Practising Most Repeated Questions is Important?

• Helps identify commonly tested concepts

• Improves confidence before the final exam

• Increases speed in solving typical board-style questions

• Enhances understanding of question patterns

• Reduces the risk of surprises in the actual exam

These repeated questions are frequently seen in board papers and solving them is a smart exam strategy.

CBSE Class 12 Maths Important Resources

Students must go through the following for best results:

CBSE Class 12 Maths Syllabus 2025-2026

CBSE Class 12 Maths Sample Paper 2025-2026

CBSE Class 12 Maths Exam Pattern & Marking Scheme 2026

CBSE Class 12 Maths Toppers’ Answer Sheet

2 Mark Important Questions for Class 12 Maths CBSE Board Exam 2026

3 Mark Important Questions for Class 12 Maths CBSE Board Exam 2026

4 or 5 Mark Important Questions for Class 12 Maths CBSE Board Exam 2026

Formula Pages for CBSE Class 12 Maths 

Top 50 MCQs for CBSE Class 12 Maths

MCQs for Class 12 Maths (Chapter-wise)

NCERT Solutions for Class 12 Maths

NCERT Exemplars for Class 12 Maths

CBSE Class 12 Maths Additional Competency-Based Questions