Why is a river so rich ?

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 kind of band never plays music?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

What is at the end of a rainbow?

While sitting in the Car, John suddenly finds that one of the wheels was missing. John noticed that a killer is approaching towards him. John cannot get out of the car.

How will John escape?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

Remove two matchsticks to make the below equation correct.

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?