See the given image carefully. What you have to do is move the blue checkers in the position of the black checkers and vice versa. You are only allowed to move the checker to an adjacent empty space. Do it in the least possible moves.

What is at the end of a rainbow?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

You find yourself in a strange place guarded by two guards.One of the guard always say truth while other always lies.You don't know the identity of the two.You can ask only one question to go out from there. What should you ask?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

What has one letter and starts with an E?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

A famous swimmer can swim downstream in a lake in exactly 40 minutes with the lake current.
He can swim upstream in that lake in exactly 60 minutes against the lake current.
The length of the lake is 2 km.

How long he can cover the distance of one side at a still lake with no current?