Math Riddles

These Math Riddles are based on math concepts and can be solved with a bit of math and logic. These fun riddles can surely give you a tough time.

3 Cats

If 3 cats can kill 3 rats in 3 minutes, how long will it take 100 cats to kill 100 rats?

Riddle Answer

One Brick

One brick is one kilogram and half a brick heavy. What is the weight of one brick?

Riddle Answer

100 Houses

There are five people who can build five houses in just five days. Increase the amount of people to 100. How long would it take these 100 people to build 100 houses?

Riddle Answer

Four Weights

What four weights can be used to balance from 1 to 30 pounds?

Riddle Answer

Prince and Princess

A princess is as old as the prince will be when the princess is twice as old as the prince was when the princess’ age was half the sum of their present age. What are their ages?

Riddle Answer