PYQ Vault

Day 117: CBSE Class 10 Maths

5 questions. Try each one first, then open its answer.

  1. Question 1

    Quadratic Equations. Asked once: 2023 (same type asked 2 times)

    5
    A quadratic equation whose roots are (2+3)(2 + \sqrt{3}) and (2−3)(2 - \sqrt{3}) is :

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  2. Question 2

    Real Numbers. Asked once: 2024 (same type asked 2 times)

    12
    If the prime factorisation of 2520 is 23×3a×b×72^3 \times 3^a \times b \times 7, then the value of a+2ba + 2b is :

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  3. Question 3

    Real Numbers. Asked once: 2025 (same type asked 2 times)

    11
    Let p=x2y3znp = x^2 y^3 z^n and q=x3ymz2q = x^3 y^m z^2, where x, y, z are prime numbers. If LCM (p,q)=x3y4z3(p, q) = x^3 y^4 z^3, then the value of (2m+3n)(2m + 3n) is

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  4. Question 4

    Real Numbers. Asked once: 2024 (same type asked 2 times)

    5
    If the HCF (2520,6600)=40(2520, 6600) = 40 and LCM (2520,6600)=252×k(2520, 6600) = 252 \times k, then the value of k is

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  5. Question 5

    Real Numbers. Asked once: 2025 (same type asked 2 times)

    1
    0.4\sqrt{0.4} is a/an

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