PYQ Vault

Day 137: CBSE Class 10 Maths

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

  1. Question 1

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

    27
    Obtain the zeroes of the polynomial 7x2+18x−97x^2 + 18x - 9. Hence, write a polynomial each of whose zeroes is twice the zeroes of given polynomial.

  2. Question 2

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

    10
    A quadratic equation whose roots are (3−2)(3 - \sqrt{2}) and (3+2)(3 + \sqrt{2}) is :

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  3. Question 3

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

    16
    If 3825=3x×5y×17z3825 = 3^x \times 5^y \times 17^z, then the value of x+y−2zx + y - 2z is :

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  4. Question 4

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

    2
    Let x=a2b3cnx = a^2 b^3 c^n and y=a3bmc2y = a^3 b^m c^2, where a, b, c are prime numbers. If LCM of x and y is a3b4c3a^3 b^4 c^3, then the value of m+nm + n is

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  5. Question 5

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

    13
    Given HCF (2520,6600)=40(2520, 6600) = 40, LCM (2520,6600)=252×k(2520, 6600) = 252 \times k, then the value of k is :

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