Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

Here is what you have to do. You have to throw a ball as hard as you can but it must return back to you even if it does not bounce at anything. Also, you have nothing attached to the ball. There is no one on the other end to catch that ball and throw it back at you.

How will you do it?

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

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. 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?

A guard is positioned at the one side of the bridge saying ‘A’. His task is to shoot all those who try to leave from ‘A’ to the other side and say ‘B’. He also need to welcome the person who comes from another side ‘B’ to his side ‘A’. The guard comes out of his post every 1 hour and looks down the bridge for any people trying to leave. You are at side ‘A’ and wish to go to another side ‘B’. you also know that it would take 1:45 hr to cross the bridge. How will you cross the bridge?

I am the fastest animal but cannot climb the tree. What am I?

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

Manish and Manoj play 5 games of chess.
Both Manish and Manoj win the exact same number of games. There is no tie at all.

How?

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