The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?

The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?

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

What is 3/7 chicken, 2/3 cat and 2/4 goat?

In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?

You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?

What kind of band never plays music?

Which tank will fill first?

John was drowned by he was not wet. How?

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?