PYQ Vault

Day 170: CBSE Class 10 Maths

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

  1. Question 1

    Introduction to Trigonometry. Asked once: 2025 (same type asked 4 times)

    26 (b)
    Prove that : cot⁡A−12−sec⁡2A=cot⁡A1+tan⁡A\dfrac{\cot A - 1}{2 - \sec^2 A} = \dfrac{\cot A}{1 + \tan A}

  2. Question 2

    Introduction to Trigonometry. Asked once: 2024 (same type asked 4 times)

    2
    If x3=2sin⁡A\dfrac{x}{3} = 2\sin A, y3=2cos⁡A\dfrac{y}{3} = 2\cos A, then the value of x2+y2x^2 + y^2 is :

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  3. Question 3

    Pair of Linear Equations in Two Variables. Asked once: 2023 (same type asked 4 times)

    7
    The pair of linear equations 2x=5y+62x = 5y + 6 and 15y=6x−1815y = 6x - 18 represents two lines which are :

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  4. Question 4

    Polynomials. Asked once: 2023 (same type asked 4 times)

    5
    The sum of zeroes of the polynomial 2x2−17\sqrt{2}x^2 - 17 are given as :

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  5. Question 5

    Probability. Asked once: 2024 (same type asked 4 times)

    15
    If a digit is chosen at random from the digits 1, 2, 3, 4, 5, 6, 7, 8, 9; then the probability that this digit is an odd prime number is :

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