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

It belongs to you, but other people use it more than you do. What is it?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

In which direction should the missing arrow point?

Why do Chinese men eat more rice than Japanese men do ?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

Why is the longest human nose just 11 inches?

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?