Why do people go to bed?

Rearrange the letters in "new door" to make one word.

If it took eight men ten hours to build a wall, how long would it take four men to build it?

What do you get if you add 2 to 100 four times?

A California farmer owns a beautiful pear tree. He supplies the fruit to a nearby grocery store. The store owner calls the farmer to see how much fruit is available for him to buy. The farmer knows the main trunk has 24 branches. Each branch has exactly 12 boughs and each bough has exactly 6 twigs. Since each twig bears one piece of fruit, how many plums will the farmer be able to deliver?

A man has a barrel filled with oil that weighs 100 pounds, and then he puts something into it. Now the barrel weighs less than 100 pounds. What did he put in the barrel?

If two's company, and three's a crowd, then whats four and five ?

Where do fish keep their money?

What's the only room from which no one can enter or leave

What is the fastest way to double your money?