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?

Your last good ping-pong ball fell into a narrow metal pipe embedded one foot deep in concrete.
How can you get it out undamaged, if all the tools you have are your tennis paddle, shoe laces, and plastic water bottle, which does not fit into the pipe?

I’m orange, I wear a green hat and I sound like a parrot. What am I?

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

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

In the picture given below, can you find out which digit will take place of the question mark?

A man was found murdered on Sunday morning. His wife immediately called the police. The police questioned the wife and staff and got these alibis: The Wife said she was sleeping. The Cook was cooking breakfast. The Gardener was picking vegetables. The Maid was getting the mail. The Butler was cleaning the closet. The police instantly arrested the murderer. Who did it and how did they know?

Can you count the number of blocks in the picture below?

I look at you, you look at me I raise my right, you raise your left. What am I?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?