When Jack was six years old he hammered a nail into his favourite tree to mark his height. Ten years later at age sixteen, Jack returned to see how much higher the nail was. If the tree grew by five centimetres each year, how much higher would the nail be?

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

What does below Rebus say?

XLR8

Which is heavier: a ton of bricks or a ton of feathers?

Why Aeroplane windows are round?

I want to fill my bucket using both cold and hot water.
I have two taps for both cold and hot water. The hot water tap fills the bucket in exact 6 hours and the cold water tap fills the bucket in exact 4 hours.
I turn both of them simultaneously but I forgot to turn off another tap which removes the water out of the bucket. This tap can empty the bucket in 12 hours.

How Long will it take to fill the bucket?

How is the moon similar to a dollar?

Which fur should we be getting from the Lion?

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?

A man dies of old age on his 25 birthday. How is this possible?