Math Riddles and Answers

The best selection of riddles and answers, for all ages and categories

Math

Dean Sam and Castiel are three brothers. Interestingly their current age is prime. What's more interesting that difference between their ages is also prime. How old are they?

Math

Joe has ten coins totaling $1.19. From these coins, he cannot make exact change for a dollar, half-dollar, quarter, dime, or nickel. What are the coins?

Math

If two is a company and three is a crowd, what are four and five?

Math

How much dirt is in a hole 4 feet deep and 2 feet wide?

Math

What odd number becomes even when beheaded?

Math

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

Math

Add me to myself and multiply by 4. Divide me by 8 and you will have me once more. What number am I?

Math

There is a three digit number. The second digit is four times as big as the third digit, while the first digit is three less than the second digit. What is the number?

Math

I am an odd number. Take away one letter and I become even. What number am I?

Math

An apple is 40 cents, a banana is 60 cents and a grapefruit is 80 cents. How much is a pear?