Give it food and it will live; give it water and it will die.

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

If 2 workers can complete painting 2 walls in exactly 2 hours.

How many workers would be needed to paint 18 walls in 6 hours?

What is the centre of gravity?

You’ll find me on Mercury, Earth, Mars, Jupiter, Saturn, and Uranus. But never Neptune, or Venus. What am I?

John was so frustrated to be the suspect of being a sleeper terrorist that he shoot himself right between the eyes with a revolver in his toilet. The revolver and the bullets were accurate. Minutes later John walks out of the toilet unharmed.
How can this be possible?

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

One of the leprechaun is missing if you see the two pictures attached to this question. Where did he go? When he comes back, do you know where has he been?

What has 88 keys?