Arrange four nines to make it equal to 100.

I am a three digit number. My tens digit is five more than my ones digit. My hundreds digit is eight less than my tens digit. What number am I?

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

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

Two fathers and two sons go fishing. Each of them catches one fish. So why do they bring home only three fish?

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 (there are 3 possible solutions)?

If you buy a rooster for the purpose of laying eggs and you expect to get three eggs each day for breakfast, how many eggs will you have after three weeks?

What do you get when you divide 30 by 1/2 and add 10?

There are two ducks in front of two other ducks. There are two ducks behind two other ducks. There are two ducks beside two other ducks. How many ducks are there?

If you multiply this number by any other number, the answer will always be the same. What number is this?

A man dies of old age on his 25th birthday. How is this possible?

How can you add eight 8's to get the number 1,000? (only use addition)

I asked a girl how old she was. She said, "In 2 years I will be twice as old as I was 5 years ago." How old is she?