These are the best and most fun math riddles we can find. All of these tricky riddles are based on real math concepts and can be solved with purely math and logic.

*39.1k views**34 ratings**1 saves*

**Riddle: **You have two buckets: one with only white marbles and one with only black marbles. The two buckets have the same number of marbles.

How can you rearrange the marbles to maximize your chances of grabbing a white marble from each?

*67.5k views**67 ratings**3 saves*

**Riddle: **

You have a large number of friends coming over and they all get thirsty. Your first friend asks for 1/2 a cup of water. Your second friend asks for 1/4 a cup of water. Your third friend asks for 1/8 a cup of water, etc.

How many cups of water do you need to serve your friends?

*32k views**33 ratings**1 saves*

*1k views**80 ratings**2 saves*

**Riddle: **What single line can you add to the following statement to make it true?

5+5+5=550

*37.5k views**36 ratings**0 saves*

**Riddle: **You have two books. One of them is upside-down and the other is rotated so the top of the book is facing you.

What is the sum of the first page in each book?

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