What is more useful when it is broken?

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

If 1+9+8=1, what is 2+8+9?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

Doctor Alex and a bus driver John are both in love with the same woman named Olivia. The bus driver need to go for a long trip of 10 days, Before he left he gave Olivia 10 apples.

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

Give it food and it will live; give it water and it will die.

A famous swimmer can swim downstream in a lake in exactly 40 minutes with the lake current.
He can swim upstream in that lake in exactly 60 minutes against the lake current.
The length of the lake is 2 km.

How long he can cover the distance of one side at a still lake with no current?

If a zookeeper had 100 pairs of animals in her zoo, and two pairs of babies are born for each one of the original animals, then (sadly) 23 animals don’t survive, how many animals do you have left in total?

A blonde put eyeliner on her head. Why?