PYQ Vault

Day 244: CBSE Class 12 Maths

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

  1. Question 1

    Probability. Asked once: 2023 (same type asked 5 times)

    3
    Ashima can hit a target 2 out of 3 times. She tried to hit the target twice. The probability that she missed the target exactly once is

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  2. Question 2

    Continuity and Differentiability. Asked once: 2024 (same type asked 4 times)

    22 (b)
    Check for differentiability of the function f defined by f(x)=∣x−5∣\mathrm{f}(x) = |x - 5|, at the point x=5x = 5.

  3. Question 3

    Continuity and Differentiability. Asked once: 2023 (same type asked 4 times)

    16
    If y=cos⁡x−sin⁡xcos⁡x+sin⁡xy = \frac{\cos x - \sin x}{\cos x + \sin x}, then dydx\frac{dy}{dx} is :

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  4. Question 4

    Continuity and Differentiability. Asked once: 2024 (same type asked 4 times)

    7
    If xey=1xe^y = 1, then the value of dydx\dfrac{dy}{dx} at x=1x = 1 is :

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  5. Question 5

    Continuity and Differentiability. Asked once: 2024 (same type asked 4 times)

    1
    If y=cos⁡−1(ex)y = \cos^{-1}(e^x), then dydx\dfrac{dy}{dx} is :

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