Question

Shitin remembers that his mother’s birthday is after 17^th April but before twenty first April, where as his father remembers that his wife’s birthday is after 19^th April but before 24^th April. Which of the following days in April is definitely his mother’s birthday? 

(1) 19^th April 

(2) 20^th April 

(3) 21^st April 

(4) Both Statements are not sufficient

Answer 1

(2) 20^th April

According to Shitin his mothers birthday → 18, 19, 20 

According to his father → 20, 21, 22, 23 

Common date is 20th April. 

So, his mother’s birthday is definitely on 20th April.