Question

Q-4 The thickness of 12 sheets of paper is 2.16 mm. Find the thickness of 1 sheet of
paper.
Q-5 What should be subtracted from 0.1 to get 0.08?
0-6 a) 0:6.25 -
b) 0.9 x (6.7-6.0) x 0 =
c) 2.735 =1
d) 12.50 -0.01 =
Q-7 A box has 6 red and 3 black marbles. One marble is selected at random. Find the
probability that the selected marble is (a) Red (b) Black (c) Green
Q-8 For what value of x is the mode of the following data 15?
15, 16, 17, 13, 12, 15, 16, 15, 16, x + 10.
Q-9 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
Find the probability of
1. An odd number
il. An even number
ii. A no. less than 5
iv. A multiple of 3​

Answer 1

The thickness of 12 sheets=2.16.

Thickness of 1 sheet =2.16/12=216/120

=1.8