Question

A box contains 20 balls bearing numbers 1,2,3, .... 20 respectively. A ball is drawn at random from the box, Find the probability that the number on the ball is
a). a two-digit number
b). a perfect square number
c). a number divisible by 5.
d). a number divisible by 2 or 3.
e). a number divisible by 2 and 3.
f). anumberdivisibleby7.
g). a number multiple of 8.
h). a two digit number divisible by 5.
i). a two digit number divisible by 2.
j). a two digit number divisible by 3.

Answer 1

Answer:

A)11/20 b) 3/20 c)4/20 d)10/20 or 6/20 e)13/20 f)2/20 g)2/20 h)3/20 i)6/20 j)3/20

Step-by-step explanation: