How can a man go eight days without sleep?

If six children and two dogs were under an umbrella, how come none of them got wet?

What Does this text mean:

important=important

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

Replace The Question Mark Below With the Correct Number.

2 {38} 3
4 {1524} 5
6 {3548} 7
8 {????} 9

What is wrong in the below Picture?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

You stand in front of two doors. A guard stands next to each door. You know the following things: one path leads to paradise, the other leads to death. You cannot distinguish between the two doors. You also know that one of the two guards always tells the truth and the other always lies. You have permission to ask one guard one question to discover which door leads to paradise. What one question would you ask to guarantee you enter the door to paradise?

Can you find the hidden animal in the picture below?

Can you find the missing piece of the Porsche?