Question

Find the probability that a number selected at random from the numbers 1, 2, 3,…, 35 is a
(i) prime number
(ii) multiple of 7
(iii) a multiple of 3 or 5

Answer 1

Answer:

1) 2,5,7,9,11,13,17,19,23,29,31,33

2) 7,14,21,28,35

3) 3,5,9,10,15,12,18,20,21,24,25,27,30,33,35

Answer 2

Answer:

2,5,7,9,11,13...........

7,14,21,28..........

3,5,9,10...........