Why is a river so rich ?

A man hijacks an aeroplane transporting both passengers(8 of them) and valuable cargo. After taking the cargo, the man demands nine parachutes, puts one of them on, and jumps, leaving the other eight behind. Why did he want eight?

What month of the year has 28 days?

What is the riddle which can be asked all day with a different correct answer each time.

What does a man do only once in his lifetime, but women do once a year after they are 29?

Wednesday, Steve and Pam go to a restaurant to eat lunch. After eating lunch, they pay the bill. But Steve and Pam do not pay the bill. So…who does?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

What goes up but never comes down?

When you stop to look, you can always see me. But if you try to touch me, you can never feel me. Although you walk towards me, I remain the same distance from you. What am I?

Who can jump higher than a Mountain?