The sum of a mother, her baby and her dog's weight is 170 Kg. How much does the baby weigh if the mother weighs 100 kg more than the combined weight of the baby and the dog, and the dog weighs 60 per cent less than the baby?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

A man hijacks an aeroplane transporting both passengers(8 of them) and valuable cargo. After taking the cargo, the man demands nine parachutes, puts one of them on, and jumps, leaving the other eight behind. Why did he want eight?

The answer I give is yes, but what I mean is no. What was the question?

How can you throw a ball as hard as you can and have it come back to you even if it doesn't hit anything there is nothing attached to it and no one else catches or throws it.

What is the coolest letter in the alphabet?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.