Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

John was visiting his friend Jacob. He found out that his friend's wife had just killed a burglar in self-defense.
John asks Jacob about what happened and he told that "His wife was watching television when suddenly the bell rang. She thought that it is her husband Jacob but she found the burglar who attacked her instantly and she got so frightened that she killed the burglar immediately with the knife.
John asked the police to arrest his friend's wife. Why?

How can you tell a raw egg from a hard-boiled egg?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

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

Why did the Girl throw the butter out of the window?

You’ll find me on Mercury, Earth, Mars, Jupiter, Saturn, and Uranus. But never Neptune, or Venus. What am I?

I add 5 to 9 and get 2. The answer is correct, so what am I?