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.

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

Cycle to Gradmother’s House

Last week Tom decided to cycle to his grandmother’s house.

On the first day, he cycled half of the distance.
On day 2, he cycled one half of the remaining distance.
On day 3, he cycled three quarters of the remaining distance.
On day 4, he cycled 10 miles.
On day 5, he cycled two thirds of the remaining distance and on the final day he cycled the remaining 5 miles.

How far is it to his grandmother’s house?

Riddle Answer