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CBSE Class 12 Practice Test 2026

AI-generated CBSE Class 12 practice sets for Physics, Chemistry, Mathematics, Biology, with scoring and explanations. Start with 30 free question credits on signup.

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About the CBSE Class 12 exam

The CBSE - Class 12 (CBSE Class 12) is a cbse board examination administered in India. It is designed to assess candidates' knowledge and proficiency across 9 key subject areas including Physics, Chemistry, Mathematics, Biology. This exam is widely recognized as an essential benchmark for students and professionals.

Use short CBSE Class 12 practice sets to identify topics to revisit. Choose a subject and difficulty, answer questions, then review the explanations. New accounts get 30 question credits; further new questions use paid credits. Retaking previously seen questions is free.

Whether you're a first-time candidate or retaking the CBSE Class 12 to improve your score, InfinityMock helps you identify your strengths and weaknesses through detailed performance analytics. Our platform covers Physics, Chemistry, Mathematics, Biology, Computer Science, English Core, Accountancy, Business Studies, Economics, with questions available at Easy, Medium, and Hard difficulty levels. Track your progress, review detailed explanations, and build the confidence you need to pass on exam day.

CBSE Class 12 — quick answers

What is the CBSE Class 12?

The CBSE - Class 12 (CBSE Class 12) is a cbse board examination taken in India. It assesses 9 subject areas: Physics, Chemistry, Mathematics, Biology, Computer Science, English Core, Accountancy, Business Studies, Economics.

Where can I find free CBSE Class 12 practice questions?

This page carries 8 free CBSE Class 12 practice questions, each with a worked explanation. No account is needed to read them. Sign up for 30 free question credits to continue with a subject practice set.

What subjects does the CBSE Class 12 cover?

Physics, Chemistry, Mathematics, Biology, Computer Science, English Core, Accountancy, Business Studies, Economics. On InfinityMock you can practise a single subject or take a mixed test across all 9.

How much does InfinityMock cost?

New accounts get 30 question credits free. After that, 30 credits cost $1 and 150 credits cost $5. One credit covers one new question; re-attempting a question you have already seen is always free.

CBSE Class 12 at a glance

ExamCBSE - Class 12 (CBSE Class 12)
CategoryCBSE Board
Country / regionIndia
Subjects covered9 — Physics, Chemistry, Mathematics, Biology, Computer Science, English Core, Accountancy, Business Studies, Economics

8 free CBSE Class 12 practice questions (2026)

Answer these first — no signup, no card. Every answer is explained. For more practice, sign up for 30 free question credits and choose a subject above.

  1. In the absence of a Partnership Deed, what is the rate of interest allowed on a partner's loan to the firm?

    • 6% per annum
    • 12% per annum
    • 5% per annum
    • No interest is allowed
    Show answer & explanation

    Answer: A. 6% per annum

    According to the Indian Partnership Act, 1932, in the absence of an agreement, interest on a partner's loan to the firm is allowed at a fixed rate of 6% per annum.

    Topic: Accountancy · easy

  2. If the Partnership Deed is silent on the profit-sharing ratio, how are profits and losses shared among partners?

    • In the ratio of their capital contributions
    • Equally
    • In the ratio of their experience
    • Decided by the senior partner
    Show answer & explanation

    Answer: B. Equally

    In the absence of a partnership deed or agreement, the provisions of the Indian Partnership Act, 1932 dictate that all profits and losses must be shared equally among the partners.

    Topic: Accountancy · easy

  3. Goodwill is classified as which type of asset?

    • Tangible Asset
    • Current Asset
    • Intangible Asset
    • Fictitious Asset
    Show answer & explanation

    Answer: C. Intangible Asset

    Goodwill is an intangible asset because it has value but lacks physical existence; it cannot be seen or touched.

    Topic: Accountancy · easy

  4. Which of the following is the correct formula to calculate the Sacrificing Ratio?

    • New Ratio - Old Ratio
    • Old Ratio - New Ratio
    • Gaining Ratio - New Ratio
    • Old Ratio + New Ratio
    Show answer & explanation

    Answer: B. Old Ratio - New Ratio

    The Sacrificing Ratio is calculated by subtracting the New Profit Sharing Ratio from the Old Profit Sharing Ratio (Old Ratio - New Ratio) to determine how much share an old partner has given up.

    Topic: Accountancy · easy

  5. At the time of admission of a new partner, general reserve appearing in the old balance sheet is transferred to the capital accounts of:

    • All partners including the new partner in the new profit sharing ratio
    • Old partners in their old profit sharing ratio
    • Old partners in their sacrificing ratio
    • New partner only
    Show answer & explanation

    Answer: B. Old partners in their old profit sharing ratio

    Accumulated profits and reserves like the General Reserve belong to the old partners because they were earned prior to the admission of the new partner. Therefore, they are distributed to the old partners in their old profit-sharing ratio.

    Topic: Accountancy · easy

  6. On the retirement of a partner, the gaining ratio of the remaining partners is calculated as:

    • Old Ratio - New Ratio
    • New Ratio - Old Ratio
    • Sacrificing Ratio - Old Ratio
    • Equal share of remaining partners
    Show answer & explanation

    Answer: B. New Ratio - Old Ratio

    The gaining ratio represents the share acquired by the continuing partners from the retiring partner, calculated as New Profit Sharing Ratio minus Old Profit Sharing Ratio.

    Topic: Accountancy · easy

  7. What is the nature of a Realisation Account prepared at the time of dissolution of a partnership firm?

    • Personal Account
    • Real Account
    • Nominal Account
    • Representative Personal Account
    Show answer & explanation

    Answer: C. Nominal Account

    Realisation Account is a nominal account prepared to determine the net profit or loss on the realization of assets and settlement of liabilities during the dissolution of a firm.

    Topic: Accountancy · easy

  8. As per SEBI guidelines, what is the minimum subscription requirement for a public issue of shares?

    • 80% of the issued amount
    • 90% of the issued amount
    • 95% of the issued amount
    • 100% of the issued amount
    Show answer & explanation

    Answer: B. 90% of the issued amount

    According to SEBI regulations, a company must receive a minimum subscription of 90% of the entire issued amount before it can proceed with the allotment of shares.

    Topic: Accountancy · easy

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CBSE Class 12 Exam Subjects

Available practice subjects: Physics, Chemistry, Mathematics, Biology, Computer Science, English Core, Accountancy, Business Studies, Economics. Select a subject for focused preparation. Coverage is not a guarantee of the complete official syllabus.

📖 CBSE Class 12 Study Guide

Read our comprehensive How to Pass the CBSE Class 12 in 2026 — Complete Study Guide for expert preparation tips, study plans, and strategies.

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Frequently Asked Questions

Is this CBSE Class 12 practice test free?

Yes! InfinityMock offers free CBSE Class 12 practice tests with 30 complimentary credits on signup. Each AI-generated question costs 1 credit, and previously seen questions are always free to retake.

How many CBSE Class 12 practice questions are available?

InfinityMock offers AI-generated practice in Physics, Chemistry, Mathematics, Biology, Computer Science, English Core, Accountancy, Business Studies, Economics. One new question costs one credit; new accounts receive 30 free credits. These are independent practice questions, not official exam questions.

What subjects does the CBSE Class 12 practice test cover?

Our CBSE Class 12 mock test covers: Physics, Chemistry, Mathematics, Biology, Computer Science, English Core, Accountancy, Business Studies, Economics. You can choose specific subjects or take a comprehensive test across all areas.

Does this reproduce the official CBSE Class 12 exam?

No. InfinityMock provides multiple-choice practice sets with explanations and progress tracking. Question types, timing, syllabus coverage, and scoring can differ from the official exam. Use your exam body's current syllabus and official practice materials alongside these sets.

How does the AI-powered CBSE Class 12 mock test work?

Simply select CBSE Class 12 from our exam list, choose your subject and difficulty level, and our AI instantly generates a custom mock test. After completing the test, you get detailed explanations, performance analytics, and a grade.

Can I retake the CBSE Class 12 practice test?

Absolutely! You can retake any CBSE Class 12 mock test as many times as you want. Previously seen questions are always free, so retakes cost no credits. You can also generate completely new questions each time.

What is the best way to prepare for the CBSE Class 12?

The most effective strategy is consistent practice with realistic questions. Use InfinityMock to take regular mock tests, review your wrong answers with detailed explanations, track your progress over time, and focus on your weakest subjects. Start with easy difficulty and gradually increase to hard.

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