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.

Biggest Number with Four Ones

Can you name the largest number that can be written with four 1’s?

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

4 Trees Same Distance

A smart landscaper is given the task of placing 4 trees so that they are all the same distance away from each other. How does he do this?

Riddle Answer

500 Pages Book

A book has 500 pages:

The 1st page says “Exactly 1 page in this book is false.”
The 2nd page says “Exactly 2 pages in this book are false.”
…
The 500th page says “Exactly 500 pages in this book are false.”

Can any of the pages be true?

Riddle Answer