Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

Samuel was out for a walk when it started to rain. He did not have an umbrella and he wasn't wearing a hat. His clothes were soaked, yet not a single hair on his head got wet. How could this happen?

Assume there are approximately 5,000,000,000 (5 billion) people on Earth. What would you estimate to be the result, if you multiply together the number of fingers on every person's left hand? (For the purposes of this exercise, thumbs count as fingers, for five fingers per hand.) If you cannot estimate the number then try to guess how long the number would be.

You need to move three matchsticks to form three squares. Can you do it?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

Outside a tattoo artist's shop, there was a signboard which read 'I make tattoos on only them who do not tattoo themselves'.

Reading it what do you think, does the tattoo artist tattoo himself?

What jumps when it walks and sits when it stands?

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?