PYQ Vault

Day 31: CBSE Class 10 Maths

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

  1. Question 1

    Polynomials. Asked 2 times: 2023*, 2024 (* = numbers or wording changed that year)

    6
    If α\alpha and β\beta are zeroes of the polynomial 2x2−9x+52x^2 - 9x + 5, then value of α2+β2\alpha^2 + \beta^2 is

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  2. Question 2

    Probability. Asked 2 times: 2023, 2024

    8
    Two dice are rolled together. The probability of getting the sum of the two numbers to be more than 10, is

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  3. Question 3

    Probability. Asked 2 times: 2023*, 2024 (* = numbers or wording changed that year)

    27 (b)
    A box contains 90 discs which are numbered 1 to 90. If one disc is drawn at random from the box, find the probability that it bears a : (i) 2-digit number less than 40. (ii) number divisible by 5 and greater than 50. (iii) a perfect square number.

  4. Question 4

    Probability. Asked 2 times: 2023*, 2024 (* = numbers or wording changed that year)

    1
    A bag contains 3 red balls, 5 white balls and 7 black balls. The probability that a ball drawn from the bag at random will be neither red nor black is :

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  5. Question 5

    Quadratic Equations. Asked 2 times: 2023, 2024

    3
    If the roots of equation ax2+bx+c=0,a≠0ax^2 + bx + c = 0, a \neq 0 are real and equal, then which of the following relation is true ?

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