On this site you'll find lots of logic puzzles and riddles, puzzling riddles,
science puzzles and math puzzles and riddles.

Answers and detailed solutions are included.

Do you know other nice brain teasers, riddles or puzzles that should be on the site?
If that's the case, send a message to pzzls!

A - B = B

B * C = A

D : B = E

C * C = E

C + E = A

For which numbers stand A, B, C, D and E?