A boy has as many sisters as brothers, but each sister has only half as many sisters as brothers. How many brothers and sisters are there in the family?

Riddle Answer# Math Riddles

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## Two Trains Puzzle

A nonstop train leaves Moscow for Leningrad at 60 miles per hour. Another nonstop train leaves Leningrad for Moscow at 40 miles an hour. How far apart are the trains 1 hour before they pass each other?

Riddle Answer## 10 Chairs 4 Walls

In a rectangular dance hall, how do you place 10 chairs along the walls so that there are an equal number of chairs along each wall?

Riddle Answer## Troubling Doubling at School

In a class, the number of girls who do wear a watch is double the number who don’t. But the number of boys who do not wear a watch is double the number who do.

If I tell you the number of girls in my class is double the number of boys, Can you tell me the number of students I teach? Here’s a clue: More than 20; below 32.

Riddle Answer