A book slipped from a man’s hands and fell on the floor with a loud noise. 20 eyes looked at him.

How many people were in the library?

Riddle AnswerA book slipped from a man’s hands and fell on the floor with a loud noise. 20 eyes looked at him.

How many people were in the library?

Riddle AnswerMark is 6 years old. His sister Tina is half of his age. So when Mark is 100 years old, how old is Tina?

Riddle AnswerTwo mathematicians, Tom and Smith are walking down the street.

**Tom**: I know you have three sons. What are their ages?

**Smith**: The product of their ages is 36.

**Tom**: I can’t tell their ages from that.

**Smith**: Well, the sum of their ages is the same as that address across the street.

**Tom**: I still can’t tell.

**Smith**: The eldest is visiting his grandfather today.

**Tom**: Now I know their ages.

Do you know the age of the kids?

Riddle AnswerTwenty men, women and children earn twenty coins between them. Each man earns 3 coins, each woman 1.5 coins and each child 0.5 coin. How many men, women and children are there?

Riddle Answer