What is the fastest way to double your money?

What jumps when it walks and sits when it stands?

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

There are three boxes of different sizes with three cupcakes inside each of the boxes in Christina's kitchen. At night her daughter wakes up and goes to the kitchen. She opens a box and eats all three cakes.

But in the morning Christina finds out that each box still had three cupcakes. How?

Solve the below puzzle by replacing the question mark with the correct number.

3 6 12

4 8 16

5 10 ?

What is the next number in this matchsticks series riddle?

When it is alive we sing, when it is dead we clap our hands. What is it?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

There is a basket full of hats. Three are white and two are black. Three men, Tom, Tim, and Jim, each take a hat out of the basket and put it on their heads without seeing the hat they selected or the hats the other men selected. The men arrange themselves so Tom can see Tim and Jim’s hats, Tim can see Jim’s hat, and Jim can’t see anyone’s hat. Tom is asked what color his hat is and he says he doesn’t know. Tim is asked the same question, and he also doesn’t know. Finally, Jim is asked the question, and he does know. What colour is his hat?