CBSE Important Questions

Mathmatics Class X

Previous Index Next

  1. The arithmetic mean of 1,2,3,.,n is

  1. If in ∆ABC, AD ┴ BC, and BD : DA =DA : DC, then which of the following angle is a right triangle

    (a) ∟ABC

    (b) ∟BAC

    (c) ∟CAD

    (d) ∟BAD

  2. - - 34.9 6 is a

    (a) terminating decimal

    (b)non terminating non repeating decimal

    (c) non terminating repeating decimal

    (d) none of these .

  3. If ∆ABC is similar to ∆DEF such that BC = 3 cm, EF = 4 cm and area of ∆ABC = 54 cm2. Determine the area of ∆DEF.

    (a) 96 sq cm

    (b) 24 sq cm

    (c) 72 sq cm

    (d) none

  4. The mean of n observation is . If the first item is increased by 1, second by 2 and so on, then the new mean is

    5. (d) none of these

  1. On dividing by a polynomial g (x) , the quotient and remainder were respectively . Then the polynomial g (x).

  1. If α, β , γ are roots of polynomial 3x3 +5x2 + 8x + 2 find the value of α-1, β-1 , γ-1

    (a) - 4

    (b) - 5

    (c) - 8

    (d) none of these

  1. If α & β are the zeroes of the polynomial x2+3x-10 then
  1. Which one of the following represents the median for the frequency distribution given below :

    2. (a) 22.35

    (b) 22.25

    (c) 22.75

    (d) 22.85.

     

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