If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

A doctor and a boy were fishing. The boy was the doctor’s son, but the doctor was not the boy’s father. Who was the doctor?

You have a basket containing ten apples. You have ten friends, who each desire an apple. You give each of your friends one apple.
Now all your friends have one apple each, yet there is an apple remaining in the basket.
How?

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

What seven-letter word has hundreds of letters in it?

Complete the table series riddle by finding the number that can replace "??".

What does this Rebus Picture mean?

There is so small cabin inside a deep forest.
All the forest burned out to worst possible but the inside of the cabin is still the same.
However all the person inside the cabin die.

How come ?

Where do fish keep their money?

Why is 6 afraid of 7?