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?

There is a bag which have 21 blue balls and 23 red balls. You also have 22 red balls outside the bag. Randomly remove two balls from the bag. * If they are of different colors, put the blue one back in the bag. * If they are the same colour, take them out and put a red ball back in the bag. Repeat this until only one ball remains in the bag. What is the color of the sole ball left in the bag ?

What do you call a fish without an eye?

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

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

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

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?

What is so fragile that saying its name breaks it?

How many triangles are there in the picture below?