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.

The Hen and the Egg

A hen and a half lays an egg and a half in a day and a half. How many eggs does one hen lay in one day?

Riddle Answer

Mathematical Symbol Between 3 and 7

Place a mathematical symbol between 3 and 7 to get a number which is greater than 3 but lesser than 7.

Riddle Answer

11th Girl from Both Ends

All the girls of Mary’s class are standing in a row. Mary is the 11th girl from both ends. How many girls are studying in Mary’s class?

Riddle Answer

Eleven Thousand Eleven Hundred and Eleven Dollars

If six thousand six hundred and six dollar is written as $6606, then write eleven thousand eleven hundred and eleven dollars.

Riddle Answer

Boil Eggs in 9 Minutes

You need to boil eggs for exactly 9 minutes.

But you have only 2 hourglasses – one measures 4 minutes and the other measures 7 minutes. How do you measure exactly 9 minutes without the process taking longer than 9 minutes?.

Riddle Answer