class 8 math paper

 

                                                                                 Class 8

                                                                         Mathematics                      

(1)    The probability of getting a multiple of 2 when a dice is rolled is

(a)    1/6   (b) 1/3     (c)    1/2    (d)   2/3

(2)    How many small cubes with edge of 20 cm each can be just accommodated in a cubical box of 2 m edge ?

(a)    10 (b)   100    (c)  1000   (d) 10000

(3)    The curved surface area of a cylinder of height 14 cm is 88cm 2 .The diameter of its circular base

(a)    5 cm  (b) 4 cm   (c)    3 cm   (d)  2 cm

(4)    A coin is tossed  200 times and head appeared 120 times. The probability of getting a tail is

        (a) 4/5    (b)  3/5   (c)  1/5    (d)   2/5

(5)   the volume of a cube whose edge is 3X is

(a) 3X3       (b)   9X3       (c)  6X3          (d) 27 X3                    

(6) answer the following questions

(a) in a pie chart a whole circle is divided into sectors.(true/false)

(b) the total number of outcomes when two coins are tossed are-----

(c) the surface area of a cylinder whose radius “r” is equal to its height is ---

       (d)    probability of an event in an experiment is 1.33.(true/false)                   

       ( e ) the volume of a cylinder becomes ----- the  original volume if its radius becomes half of the original radius , considering that there is no change in the height .                                               

(7) answer the following questions

(a) a milk tank Is in the form of cylinder whose radius is 1.5 m and length is 7m.find the quantity of milk in litres that can be stored in the tank?

(b) when a dice is thrown ,find the probability of getting   

(1) not a prime number  (2)  a number greater than 5  (3) a number multiple of 2 and 3

  ( c) shoes of the following brands are sold in oct.2024 at a shoe store.  construct a pie chart for the data .also find the most and least favourite shoe brand and what is the difference in sales.   

Brand

Number of pair of shoes sold

A

130

B

120

C

90

D

40

E

20

                                    

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