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 Eggs With 100 Cents

You must buy hundred eggs with hundred cents. There are three types of eggs and you will need to buy all three types of eggs. Goose eggs must be bought in multiples of 20.

  • 1 Chicken egg cost 5 cents
  • 1 Duck egg cost 1 cent
  • 20 Goose eggs cost 1 cent

How many chicken, duck and goose eggs do you need to buy?

Riddle Answer

Cookie Problem

In a cookie jar, there are ten butter cookies and ten chocolate-chip cookies. Tom sneaks over to the cookie jar in the middle of the night and tries to figure out:

  • How many cookies do I need to take out of the jar if I want to make sure to get at least two of each kind?
  • How many cookies do I need to take out of the jar if I want to make sure to get at least two butter cookies?
Riddle Answer