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?

If you drop a 15 kg iron bar and a 5 kg bag of cotton from a height of 50 meters which will reach the ground first?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

How can you leave a room with two legs and return with six legs?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

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

Which is the rope you never skip with?

Forwards I am heavy, backward I am not. What am I?

John was running from 40 thieves. John has got 3 gold boxes which weigh as 4kg, 2kg, and 1kg respectively. A witty man asked John to stay with him for seven days in exchange for 1kg gold per day. John needs to stay there for seven days and also do not want to give the witty man any advance. How can John pay for his seven days stay?

You need to move three matchsticks to form three squares. Can you do it?