PYQ Vault

Day 104: MHT-CET Maths

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

  1. Question 1

    Vectors. Asked 2 times: 14 May 2024 S1, 20 Apr 2026 S1 See all 2 times it was asked

    92
    If aˉ,bˉ\bar{a}, \bar{b} and cˉ\bar{c} are three vectors such that ∣aˉ+bˉ+cˉ∣=1,cˉ=λ(aˉ×bˉ)|\bar{a} + \bar{b} + \bar{c}| = 1, \bar{c} = \lambda(\bar{a} \times \bar{b}) and ∣aˉ∣=13,∣bˉ∣=12,∣cˉ∣=16|\bar{a}| = \dfrac{1}{\sqrt{3}}, |\bar{b}| = \dfrac{1}{\sqrt{2}}, |\bar{c}| = \dfrac{1}{\sqrt{6}}, then the angle between aˉ\bar{a} and bˉ\bar{b} is

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  2. Question 2

    Limits. Asked 2 times: 3 May 2023 S2, 19 Apr 2026 S2 See all 2 times it was asked

    70
    If the function f(x)=(5x−88−3x)32x−4f(x) = \left(\dfrac{5x - 8}{8 - 3x}\right)^{\frac{3}{2x - 4}}, for x≠2x \neq 2 is continuous at x=2x = 2, then the value of f(2)f(2) is...

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  3. Question 3

    Line and Plane. Asked 2 times: 21 Apr 2025 S1*, 19 Apr 2026 S2 (* = numbers or wording changed that year) See all 2 times it was asked

    93
    The shortest distance between the lines r⃗=(4i^−j^)+λ(i^+2j^−3k^)\vec{r} = (4\hat{i} - \hat{j}) + \lambda(\hat{i} + 2\hat{j} - 3\hat{k}) and r⃗=(i^−j^+2k^)+μ(i^+4j^−5k^)\vec{r} = (\hat{i} - \hat{j} + 2\hat{k}) + \mu(\hat{i} + 4\hat{j} - 5\hat{k}) is...

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  4. Question 4

    Applications of Derivative. Asked 2 times: 12 May 2024 S2, 19 Apr 2026 S1 See all 2 times it was asked

    75
    A tank with a rectangular base and rectangular sides, open at the top is made. Depth of the tank is 44 m and its volume is 3636 cubic meters. For making a tank cost of base material used is Rs. 100100 per sq. meter and that of sides is Rs. 5050 per sq. meter. Then minimum cost of tank is ..............

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  5. Question 5

    Limits. Asked 2 times: 10 May 2024 S2*, 19 Apr 2026 S1 (* = numbers or wording changed that year) See all 2 times it was asked

    61
    The value of lim⁡x→0(8x8)[1−cos⁡x22−cos⁡x24+cos⁡x22⋅cos⁡x24]\lim_{x \to 0}\left(\dfrac{8}{x^8}\right)\left[1 - \cos\dfrac{x^2}{2} - \cos\dfrac{x^2}{4} + \cos\dfrac{x^2}{2} \cdot \cos\dfrac{x^2}{4}\right] is equal to ...

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