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?

Which flower has two lips?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

What has one eye, but can’t see?

A man stands on one side of a river, his dog on the other. The man calls his dog, who immediately crosses the river without getting wet and without using a bridge or a boat. How did the dog do it?

You need to move three matchsticks to form three squares. Can you do it?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?

What always comes into a house through the keyhole?