AI Study Guru
๐ŸŽฏ CBSE Board Exam 2026-27 Prep

CBSE Previous Year Questions (PYQs) with Step-by-Step AI Solutions

Last 5 years of board exam questions decoded with official CBSE marking schemes, formula proofs, and 100/100 topper answer presentations.

๐Ÿ’ป Open PYQ Solver in Web AI Teacher โ†’ โœˆ๏ธ Solve PYQs on Telegram (7โ€“15 Free) ๐Ÿ’ฌ WhatsApp

๐Ÿ† CBSE Board Examiner Insights (70% Repeat Pattern)

Most Repeated CBSE Board Questions (2020โ€“2025)

Click Solve Step-by-Step to have the AI tutor solve and explain with complete marks breakdown.

Class 10 Maths โ€ข Real Numbers CBSE 2024 (3 Marks)
Prove that โˆš5 is an irrational number. Hence, prove that 3 + 2โˆš5 is also irrational.
Class 10 Maths โ€ข Quadratic Eq CBSE 2024, 2022 (2 Marks)
Find the value of k for which the quadratic equation kx(x - 2) + 6 = 0 has two equal real roots.
Class 10 Science โ€ข Light CBSE 2024, 2023 (5 Marks)
A convex lens of focal length 15 cm forms an image 30 cm from the lens. Find the object distance and magnification. Draw the ray diagram.
Class 10 Science โ€ข Reactions CBSE 2023, 2021 (3 Marks)
Write balanced chemical equations with state symbols: (i) Lead nitrate heated, (ii) Electrolysis of water, (iii) Rusting of iron.
Class 10 Science โ€ข Biology CBSE 2024 (5 Marks)
Explain double circulation in human beings. Why is separation of right and left side of heart useful in birds and mammals?
Class 12 Physics โ€ข Electrostatics CBSE 2024 (5 Marks)
State Gauss's Law in electrostatics. Using Gauss's Law, derive an expression for the electric field due to an infinitely long straight wire.

Need Any Other CBSE Question Solved Instantly?

Type any question, upload a textbook photo, or paste a board question into your free Web AI Teacher workspace. Receive instant step-by-step solutions with marking scheme rubrics.

๐Ÿš€ Launch AI Study Teacher Now โ†’

Frequently Asked Questions About CBSE PYQs

Are Previous Year Questions enough to score 95%+ in CBSE Boards?

PYQs cover nearly all core conceptual patterns. To score 95%+, solve the last 5-10 years of PYQs alongside thorough NCERT textbook reading and NCERT Exemplar problems.

How many years of PYQs should I practise?

Practising the last 5 years (2020โ€“2025) of All India and Delhi sets is essential. Pay special attention to 2023, 2024, and 2025 because they incorporate the new Competency-Based Question formats (Assertion-Reason and Case-Based Studies).

Can I upload a photo of a board question to get the solution?

Yes! In the AI Study Guru web app (/study) or on WhatsApp, attach any photo of a printed or handwritten question. The AI reads the image and provides the step-by-step solution immediately.