A man is twenty years old but has only had five birthdays. How is that possible?

Question

Monique is 24 years old. She is twice the age that Valerie had when Monique was the same age that Valerie is now. How old is Valerie?

Answer 1

He was born on 29th February

Answer 2

He was born on 29th February which comes once in 4 years!!