CBSE Important Questions

Mathmatics Class X

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  1. The algebraic sum of the deviations of a frequency distribution from its mean is

    (a) always positive

    (b) always negative

    (c) O

    (d) a non-zero numbe

  2. If the product of two zeros of the polynomial

  1. If then the value of

    2. ( a) 3

    ( b ) 1/ 2

    ( c ) 1 / 3

    ( d ) none of thèse

  1. is exactly divisible by (x2 - 1) Then the value of ‘a’ and ‘b’ are

    (a) a = -1, b = -2

    (b) a = 1, b = 2

    (c) a = -1, b = 2

    (d) a = 1, b = -2

  2. The mean of the median of 2, 8, 3, 7, 4, 6, 7 and the mode of 2, 9, 3, 4, 9, 6, 9, is

    (a) 9

    (b) 8

    (c) 6

    (d) 7.5

  3. Given that two of the zeroes of the cubic polynomial are ‘0’ the third zero is

    (a) − b / a

    4. (b) b / a

    (c) c / a

    (d) − d / a

  1. π is

    (a) rational

    (b) irrational

    (c) imaginary

    (d) an integer

  2. There exist Infinite ……….. numbers between .

    (a) rational

    (b) irrational

    (c) real

    (d) All of a,b,c

  3. If α, β are the zeros of the polynomial

    4. (a) 1 (b) 2 (c)

  1. If the arithmetic mean of 5, 7, 9 x is 9 then the value of x is

    2. (a) 11

    (b) 15

    (c) 18

    (d) 16

Submitted By: Mr. Agyat Gupta
Email Id: [email protected]
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