By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

What month of the year has 28 days?

Who can jump higher than a Mountain?

What am I?

Before Mount Everest was discovered, what was the highest mountain in the world?

When can we add 2 to 11 and get 1 as the correct answer?

Can you move 2 matchsticks to form four equal sized squares.

There are three boxes on a table. One of the box contains Gold and the other two are empty. A printed message contains in each box. One of the message is true and the other two are lies.

The first box says "The Gold is not here".

The Second box says "The Gold is not here".

The Third box says "The Gold is in the Second box".

Which box has the Gold?

The dirtier I get, the whiter I look. Who am I?

After a heavy Thanksgiving meal, the night watchman went to work. In the morning, he told his boss he had dreamed that a saboteur planted a bomb in the factory and that he felt it was a warning. The boss promptly fired him. Worker confused, Why boss fire him?