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Algebra

Linear and quadratic equations, polynomials, arithmetic progressions

Sample Practice Questions

  1. Factorize: x² − 9

    • (x+3)²
    • (x−3)²
    • (x+3)(x−3)
    • (x+9)(x−1)
    Show answer

    Answer: (x+3)(x−3)

  2. The sum of the roots of ax² + bx + c = 0 is:

    • b/a
    • −b/a
    • c/a
    • −c/a
    Show answer

    Answer: −b/a

  3. How many terms are in the AP: 5, 11, 17, …, 95?

    • 14
    • 15
    • 16
    • 17
    Show answer

    Answer: 16

  4. An arithmetic progression has first term 3 and common difference 4. The 10th term is:

    • 35
    • 39
    • 43
    • 40
    Show answer

    Answer: 39

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Practice Questions

Practice 20 randomly selected NTSE questions on Algebra. Answers are revealed after each question.

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Frequently Asked Questions

What does Algebra cover in the NTSE exam?

Linear and quadratic equations, polynomials, arithmetic progressions.

How can I practise NTSE Algebra questions for free?

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