How can you tell a raw egg from a hard-boiled egg?

A father's child, a mother's child, yet no one's son.

Who am I?

What can you see in the middle of March and April that you can never see in any other month?

John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?

What kind of band never plays music?

Mr Red Lives in the red house.
Mr Green Lives in the greenhouse.
Mr Yellow Lives in the yellow house.

Who lives in the Whitehouse?

What runs around the whole yard without moving?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

There is a box. The area of its top is 240 square units, the area of the front is 300 square units and the area of the end is 180 square units.

Can you calculate the dimensions of this box with the given data?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?