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.

Patch of Lily Pads

In a lake, there is a patch of lily pads. Every day, the patch doubles in size. If it takes 48 days for the patch to cover the entire lake, how long would it take for the patch to cover half of the lake?

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3 Cats

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

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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?

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One Brick

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

Riddle Answer

Four Weights

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

Riddle Answer