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?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

An office is divided into 8 cubicles. How many of the cubicles are painted if only 1/8 of the cubicles are painted?

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

What does the below rebus riddle means?

I had an infinite supply of water and 5 litres and 3 litres jars.

How would you measure exactly 4 litres in the least number of steps?

Which wheel of car does not rotate when you turn your car right?

Find the next number in the sequence

5 12 24 36 ?

What makes this number unique: 8,549,176,320?