What can run but never walks, has a mouth but never speaks, has a head but never thinks, and has a bed but never sleeps?

Before Mt. Everest was discovered, what was the highest mountain in the world?

Which is correct to say, 'The yolk of the egg is white' or 'The yolk of the egg are white'?

A worker at a butcher shop stands 1.8 metres tall and wears size 8 shoes. What does he weigh?

John's mother has four children. She named the first April, the second May, and the third, June. What is the name of the fourth child?

How much dirt is there in a hole that measures two metres by three metres by four metres?

A man is looking at a photograph of someone. His friend asks who it is. The man replies, 'Brothers and sisters, I have none. That man's father is my father's son.' Who was in the photo?

I do not have any special powers but I can predict the score of any basketball game before it begins. How can I do this?

A plane crashes on the border of China and India. Where do they bury the survivors?

You are a runner in a race. Just before crossing the finishing line you overtake the person in third place! What place did you finish in?