Math Riddles

Enjoy math riddles and brain teasers for kids and adults, riddles, logic puzzles, brain teasers. Riddles help your brain to exercise and sharpen your thinking capabilities.

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

Asked by Sachin on 27 Apr 2022


Two trains start at the same time, one from Bangalore to Mysore and the other from Mysore to Bangalore. if they arrive at their destinations one hour and four hours respectively after passing one another, how much faster is one train running than the other?

Asked by Andrew on 19 Apr 2022

While house hunting in London, I came across a very good leasehold property Discussing the lease the landlady told me:

'The property was originally on a 99 years lease and two-thirds of the time passed is equal to four-fifths of the time to come. Now work it out for yourself and see how many years are to go!

Asked by Andrew on 18 Apr 2022


James ordered a fishing rod, priced at $3.56. Unfortunately, James is an Eskimo who lives in a very remote part of Greenland and the import rules forbid any package longer than 4 feet to be imported. The fishing rod was 4 feet and 1 inch, just a little too long, so how can the fishing rod be mailed to James without breaking the rules? Ideally James would like the fishing rod to arrive in one piece!

Asked by Sachin on 11 Apr 2022

Can you write down eight eights so that they add up to one thousand?

Asked by Sachin on 02 Apr 2022

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Asked by Sachin on 22 Mar 2022


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

Asked by Sachin on 03 Mar 2022

A little girl goes to the store and buys one dozen eggs. As she is going home, all but three break. How many eggs are left unbroken?

Asked by Vinay on 02 Mar 2022

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

Asked by Akash on 27 Feb 2022


What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

Asked by Sachin on 26 Feb 2022

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Crossword puzzles

In the 1920s, people feared that crossword puzzles would contribute to illiteracy.