What number when divided in half becomes zero?

What have one eye but still cannot see?

You and your two friends are working in a multinational company. How can you three find out the average salary of you all without disclosing your own salary to the other two?

Which alphabet letter is a question?

The cream is heavier than Milk. True or False?

Which is heavier: a ton of bricks or a ton of feathers?

How can one talk without saying a single word?

A and B have a certain number of chocolates with them. If B gives one chocolate to A, they will have an equal number of chocolates. But if A gives one chocolate to B, then A will be left with half the number of chocolates that B has.

Can you find out the number of chocolates they have right now?

You are in a room with no metal objects except for two iron rods. Only one of them is a magnet.
How can you identify which one is a magnet?

What is the next number in this matchsticks series riddle?