We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

He digs out tiny caves and stores gold and silver in them. He also built bridges of silver and made crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs his help, yet many people are afraid to let him help them. Who is he?

Spot the cat in the picture below

Once upon a time, there was a castle on a square island. The entire island was surrounded by a 14m wide trench. The Romans had wanted to invade the castle and had brought a few wooden planks along with them to facilitate themselves in crossing the moat. The planks were however found to be only 13m long.

The Romans still managed to cross the trench. How did they do it?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

There are forty elephants and they have forty-fore heads. How can this be possible?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

4 fathers, 2 grand-fathers and 4 sons went to watch the movie.What is the minimum number of tickets they need to buy ?

What can you hold in your right hand, but never in your left hand?