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?

How many times can you subtract the number 5 from 25?

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

Can you make a six-letter word using the letters N, A and B ?

An American nightclub called 'The Coconut Grove' had a terrible fire in which over 400 people died. A simple design flaw in the building led to a high death toll. Subsequently, regulations were changed to ensure that all public buildings throughout the country eliminated this one detail, which proved deadly. What was it?

What can jump higher than a building?

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

They are three errirs in this question. Can you find them?

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.

Outside a tattoo artist's shop, there was a signboard which read 'I make tattoos on only them who do not tattoo themselves'.

Reading it what do you think, does the tattoo artist tattoo himself?