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.

100 Questions 85 Marks

I was given 100 questions to be solved. I scored 85. The score was calculated by subtracting twice the number of wrong answers from number of correct answers. How many questions did I solve correctly?

Riddle Answer

28 Handshakes

There was a small get-together. There were a total of 28 handshakes exchanged between the guests. How many guests were present?

Riddle Answer

Weight of Brick

We have a brick of regular size. It weighs 4kg. How much do you think a similar brick, four times smaller, but made of the same material weigh?

Riddle Answer

Half as Long until Midnight

If it were two hours later, it would be half as long until midnight as it would be if it were an hour later. What time is it now?

Riddle Answer

Fill Pool with Water

A swimming pool has four taps. The first can fill the entire pool with water in two days, the second in three days, the third in four days, and the last one can fill the pool in 6 hours. How long will it take to fill the pool using all 4 taps together?

Riddle Answer