If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

Why is it very easy to weigh a fish?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

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?

Prove that twice of ten is the same as twice of eleven.

Can you find the key in the picture below?

An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?

It's pretty hard to give up.
If you remove a part of it, you will be left with a bit.
Even if you remove another part, the bit still remains.
Remove one more and it still remains.

What is it?

What have one eye but still cannot see?

You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?