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CBSE PrepSeptember 18, 20268 min readAlphaGrad CBSE Board Experts

Mastering CBSE Competency-Based Questions (50% Weightage) for Class 10 & 12 Boards 2026

Mastering CBSE Competency-Based Questions (50% Weightage) for Class 10 & 12 Boards 2026

Under the National Education Policy (NEP) reforms, CBSE allocates 50% of Class 10 and Class 12 board papers to Competency-Focused Questions — including Case-Study passages, Assertion-Reason items, and analytical MCQs.

1. How to Crack Assertion-Reason Questions Every Time

An Assertion-Reason question has two statements: Assertion (A) and Reason (R). Follow this strict 3-step algorithm:

  1. Step 1 (Verify Truth Independently): Read (A) alone and check if it is true or false. Then read (R) alone and check if it is true or false. If either is false, you immediately have your answer (Option C or D)!
  2. Step 2 (The "Because" Connector Test): If both (A) and (R) are true, read them together joined by the word "BECAUSE": "[Assertion A] BECAUSE [Reason R]."
  3. Step 3 (Decide A vs B): If (R) is the direct scientific/mathematical cause of (A), select Option A. If both are true facts from the same chapter but (R) does not explain why (A) happens, select Option B.

2. How to Solve Case-Study & Source-Based Questions Faster

  • Read the Sub-Questions First: Before reading the 200-word story paragraph, read the 3 sub-questions at the bottom. Often, the paragraph is just a real-world wrapper around a standard NCERT formula (e.g., a parabolic bridge arch testing Quadratic Equations or Application of Integrals).
  • Practice hundreds of official competency questions in AlphaGrad's CBSE PYQ Bank and Adaptive Quiz Engine.
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