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

Arrange four nines to make it equal to 100.

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

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

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?

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

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

0, 1, 2, 3, 4, ... are a set of ...... numbers.

There are several books on a bookshelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

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?

A set of natural numbers start with number .....

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?