A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

You have a square. What you have to do is cut and reassemble the square such that you create a Red Cross sign that has the same volume as that of the square.

John has played 50 ODI's and his average is 50. How many runs should he score in his 51st ODI, so that his average score jumps to 51?

What am I?

What has no start, end, or centre?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

What is the longest word in the dictionary?

Find the smallest sentence with all the English alphabet.

You have an empty wine bottle with a cork that has been secured at the top in a normal way. There is a metal ring inside the bottle that is suspended by a string.

How can you make the metal ring drop to the bottom if you are not allowed to touch anything - not the bottle, not the cork, not the thread and not the ring?

How many letters are in the alphabet?