Top 50 Most Repeated Questions in CBSE Class 12 Boards (PYQs)

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Why These 50 Questions Are Your Cheat Code

CBSE syllabus bahut bada hai, lekin board ka ek pattern hota hai. Examiner ke paas kuch "favorite" concepts hote hain jo wo har saal ghuma-phira kar poochte hain. Humne ExamSpark data engine use karke subjects ko filter kiya hai.

Below is a sneak peek into the Top Questions from core subjects. Har question ke aage ek tag hai:

🔥 Repeated 5+ Times = Extremely High Probability. Ratta maar lo!
⭐ Important Concept = Comes in multiple variations (Case study / MCQs).

Part A: Physics & Chemistry (Science Stream)

Q1. Derive the expression for the capacitance of a parallel plate capacitor.

🔥 Repeated 7 Times

Chapter: Electrostatic Potential and Capacitance

ExamSpark Tip: Don't forget to mention the effect of inserting a dielectric slab between the plates. This is often asked as a follow-up 2-mark subpart!

Q2. Explain the SN1 and SN2 reaction mechanisms with stereochemical aspects.

🔥 Repeated 6 Times

Chapter: Haloalkanes and Haloarenes

Q3. Using Biot-Savart Law, derive an expression for the magnetic field at a point on the axis of a circular current-carrying loop.

⭐ Important Concept

Chapter: Moving Charges and Magnetism

Part B: Economics & Accounts (Commerce Stream)

Q4. Explain the 'Banker to the Government' and 'Lender of Last Resort' functions of the Central Bank.

🔥 Repeated 8 Times

Chapter: Money and Banking (Macroeconomics)

ExamSpark Tip: Always write the answer in bullet points and underline the main headings with a black pen. Pure 4/4 marks guaranteed.

Q5. How are 'Advertisement Suspense Account' and 'Goodwill' treated at the time of Admission of a Partner?

⭐ Important Concept

Chapter: Admission of a Partner (Accountancy)

Unlock the Complete 50 Questions List

We have compiled the full list of 50 questions across all subjects, complete with topper-style handwritten solutions and marking schemes.

Download Free PDF 📥

*Available for Science, Commerce, and Humanities streams.

Common Student FAQs

Are these 50 questions enough to pass the board exams?

If you are aiming just to pass (33%), memorizing the answers to these 50 high-frequency questions is usually more than enough. However, to score 90%+, use these as your revision priority alongside the NCERT textbook.

Does CBSE really repeat questions?

Yes! While the exact wording might change slightly, the core concept being tested repeats frequently. For example, a derivation in Physics or National Income numericals in Macroeconomics are staple questions every year.

Are these valid for the new CBSE 2026 pattern?

Absolutely. We update our database to align with the latest CBSE syllabus deletions and the newly introduced competency-based question patterns.

Top 50 Most Repeated Questions