Question

. Cards numbered from 11 to 60 are kept in a box. If a card is drawn at random from the box , find the probability that the number on the drawn card is (i) a prime number less than 20 (ii) a perfect square number.

Answer 1

Answer

1. 11, 13,17. So, probability is 3

2. 16, 25, 36, 49. So, probability is 4