CBSE Class 12 Maths Most Important Questions 2026 – High Scoring Topics to Pass Easily

CBSE Class 12 Mathematics 2026 – Most Important Questions to Pass Easily

Mathematics becomes easy to score when you practice the right type of questions. CBSE repeats similar patterns every year from Calculus, Algebra, Vectors, Probability, and Linear Programming.

This guide covers the most expected questions for CBSE Class 12 Maths 2026, so even average students can score 50–70 marks with smart preparation.

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CBSE Class 12 Maths Exam Pattern 2026 (Quick View)

Section	Marks
Theory Exam	80
Internal Assessment	20
Total	100

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High-Scoring Units in Maths

Unit	Weightage
Calculus	⭐⭐⭐⭐⭐ (35 marks)
Vectors & 3D Geometry	⭐⭐⭐⭐ (14 marks)
Algebra (Matrices & Determinants)	⭐⭐⭐
Probability	⭐⭐⭐
Relations & Functions	⭐⭐
Linear Programming	⭐⭐

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Unit-Wise Most Important Questions for CBSE Class 12 Maths 2026

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Unit 1: Relations & Functions

Important Questions

1. Check whether a relation is reflexive, symmetric, transitive.

2. Find domain and range of inverse trigonometric functions.

3. Prove basic identities of inverse trigonometric functions.

4. Find composition of functions.

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Unit 2: Matrices & Determinants

Must Practice

Topic
Inverse of matrix
Solving linear equations
Properties of determinants
Adjoint method

Important Questions

1. Find inverse of a 3×3 matrix using adjoint method.

2. Solve system of equations using matrices.

3. Evaluate determinants using properties.

4. Find area of triangle using determinants.

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Unit 3: Calculus (Most Important – 35 Marks)

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A. Continuity & Differentiability

1. Check continuity at a point.

2. Differentiate using chain rule.

3. Prove Rolle’s theorem.

4. Prove Lagrange’s Mean Value Theorem.

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B. Applications of Derivatives

1. Find intervals where function is increasing/decreasing.

2. Find maxima and minima.

3. Tangent and normal at a point.

4. Word problems on optimization.

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C. Integrals

Must Prepare
Substitution
Partial fractions
By parts
Definite integrals

Important Questions

1. Evaluate ∫ using substitution.

2. Solve integrals using partial fractions.

3. Use properties of definite integrals.

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D. Applications of Integrals

1. Area between curves.

2. Area bounded by parabola and line.

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E. Differential Equations

1. Solve by separation of variables.

2. Solve linear differential equations.

3. Formation of differential equation.

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Unit 4: Vectors & 3D Geometry

Important Questions

1. Find dot and cross product.

2. Find angle between two vectors.

3. Equation of line in 3D.

4. Shortest distance between two lines.

5. Equation of plane.

6. Distance of point from plane.

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Unit 5: Linear Programming

Important
Graphical method
Feasible region
Max/Min values

Questions

1. Solve LPP graphically.

2. Find optimal value.

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Unit 6: Probability

Important Questions

1. Conditional probability.

2. Bayes theorem.

3. Mean and variance of random variable.

4. Binomial distribution problems.

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Formula-Based Questions (Very High Chance)

Chapter
Matrices
Determinants
Integrals
Vectors
Probability

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Last-Minute Maths Revision Plan

Time	Topic
2 hrs	Calculus
1.5 hrs	Vectors & 3D
1 hr	Matrices & Determinants
45 min	Probability
30 min	Linear Programming
45 min	Formula revision

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Tips to Pass Maths Easily

1. Memorize formulas
2. Practice NCERT example
3. Show full steps
4. Attempt easy questions first
5. Avoid silly mistakes
6. Draw graphs neatly
7. Manage time properly

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Click Here to Know More about CBSE Class 12 Maths Last Minute Revision 2026 – Easy Overview to Pass Board Exam Details: https://dekhocampus.com/news/cbse-class-12-maths-last-minute-revision-2026