Why is it against the law for a man living in Delhi to be buried in Mumbai?

When Jack was six years old he hammered a nail into his favourite tree to mark his height. Ten years later at age sixteen, Jack returned to see how much higher the nail was. If the tree grew by five centimetres each year, how much higher would the nail be?

When can we add 2 to 11 and get 1 as the correct answer?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

Can you find the six hidden animals 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 sundial has the fewest moving parts of any timepiece. Which has the most?

How can you take 2 from 5 and leave 4?

Twice ten are six of us,

Six are but three of us,

Nine are but four of us;

What can we possibly be?

Would you know more of us?

Twelve are but six of us,

Five are but four, do you see?

What are we?

What can you catch but never throw?