Math Riddles with Answers

A person picks up cigarette butts from the ground and can make a cigarette with 4 butts. If he finds 16 cigarette butts, how many...

Use the numbers 2, 3, 4 and 5 and the symbols + and = to make a true equation.

Three people check into a room. The bill is $30. They split it 3 ways. Later on the hotel realizes they should have charged $25 so...

A bat and a ball cost $1.10. The bat costs one dollar more than the ball. How much does the ball cost?

An athlete is able to jump FOREVER. However, every time that she jumps she gets a bit more tired, and every jump goes 1/2 as far a...

If it takes 5 machines 5 minutes to make 5 widgets, how long would it take 100 machines to make 100 widgets?

When is 1500 plus 20 and 1600 minus 40 the same thing?

A child playing on the beach had 6-1/6 sand piles in one place and 3-1/3 in another. If he put them together, how many sand piles...

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

A basket contains 5 apples. Do you know how to divide them among 5 kids so that each one has an apple and one apple stays in the b...

If 1+9+8=1, what is 2+8+9?

How can you make the following true by changing a single line? 5+5+5=550

There is a chain nailed to the wall. The chain is 10 feet long and the centre of the chain dips down 5 feet from where each side o...

What 3 positive numbers give the same result when multiplied and added together?

There are two planes. One is going from New York to London at a speed of 600 MPH. The other is travelling from London to New York...

Mr. Smith has 4 daughters. Each of his daughters has a brother. How many children does Mr. Smith have?

In a certain country ½ of 5 = 3. If the same proportion holds, what is the value of 1/3 of 10 ?

How can you add eight 8's to get the number 1,000?

What number do you get when you multiply all of the numbers on a telephone's number pad?