How can a man go eight days without sleep?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

At a party, there are five people and a whole round cake lying at the centre of the table. Only four people will make a cut and take their piece and the last one will get the remaining piece on the table. How can they make sure that everyone gets a 1/5th of the piece?

Why is 6 afraid of 7?

What English word has three consecutive double letters?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

It was a dark stormy night and a couple were in a car driving madly to a city. The car broke down and the husband had to go get help from someone who spoke his language. He was afraid to leave his wife alone in the car so he locked the car before leaving. When he came back, the car was in the same state as he had left it but his wife was dead, there was blood on the floor and there was a stranger in the car. What happened?

What is always in front of you but can’t be seen?

By what process could you make a 'Tea-Table' into food?

A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?