Only one color, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

Can you find the missing piece of the Porsche?

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?

A bag contains 64 balls of eight different colours. There are eight of each colour (including red). What is the least number you would have to pick, without looking, to be sure of selecting 3 red balls?

How can one talk without saying a single word?

What does this simple rebus mean?

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

Can you place three balls such that the equation shown in the picture holds true?

In a stable, there are men and horses. In all, there are 22 heads and 72 feet. How many men and how many horses are in the stable

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?