Math Riddles with Answers

A grandfather, two fathers and two sons went to the movie theater together and everyone bought one movie ticket each.
How many tickets did they buy in total?

A little boy goes shopping and purchases 12 tomatoes.
On the way home, all but 9 get mushed and ruined.
How many tomatoes are left in a good condition?

The ages of a father and son add up to 66.
The father's age is the son's age reversed.
How old could they be?
(3 possible solutions).

One is to three as three is to five, five is to four, and four is the magic number.
What is the pattern?

What are the two whole, positive numbers that have a one-digit answer when multiplied and a two-digit answer when added?

Polly's friends were chipping in to buy her a present.
At first, 10 friends chipped in, but 2 of them dropped out.
Each of the 8 had to chip in another 10 dollars to bring the amount back up.
How much money did they plan to collect?

Find the four digit number in which the first digit is one fourth of the last digit, the second digit is 6 times the first digit, and the third digit is the second digit plus 3.
What is it?

I am four times as old as my daughter.
In 20 years time I shall be twice as old as her.
How old are we now?

When my father was 31 I was 8.
Now he is twice as old as me.
How old am I?

You want to boil a two-minute egg.
If you only have a three-minute timer (hourglass),
a four-minute timer and a five-minute timer,
how can you boil the egg for only two minutes?

If a hen and a half lay an egg and a half in a day and a half,
how many eggs will half a dozen hens lay in half a dozen days?

Can you write down eight eights so that they add up to one thousand?

In a stable there are men and horses.
In all, there are 22 heads and 72 feet.
How many men and how many horses are in the stable?

Old Granny Adams left half her money to her granddaughter and half that amount to her grandson.
She left a sixth to her brother, and the remainder, $1,000, to the dogs’ home.
How much did she leave altogether?

20+20+20=60. How can you make 60 again by using the same number 3 times, but it can’t be 20?

A 300 ft. train is traveling 300 ft. per minute must travel through a 300 ft. long tunnel.
How long will it take the train to travel through the tunnel?

Take two numbers, such that the square of the first, plus the square of the second, shall equal 8;
while the first, plus the product of the first and second, shall equal 6.
What are the two numbers?

A cell phone and phone case cost $110 in total.
The cell phone costs $100 more than the phone case.
How much was the cell phone?

How can you take 2 from 5 and leave 4?

When John was six years old he hammered a nail into his favorite tree to mark his height.
Ten years later at age sixteen, John returned to see how much higher the nail was.
If the tree grew by five centimeters each year, how much higher would the nail be?

If you're 8 feet away from a door and with each move you advance half the distance to the door.
How many moves will it take to reach the door?

Three times what number is no larger than two times the same number?

A duck was given $9, a spider was given $36, a bee was given $27.
Based on this information, how much money would be given to a cat?

How many times can you subtract the number 5 from 25?

Adored by few, Feared and hated by many.
Mistress of the entire universal reason, Master in the art of numbers.
Some may have solved many of your mysteries,
But there still much of them to find.
What are they?

How many sides does a circle have?

81 x 9 = 801. What must you do to make this equation true?