I make two people out of one. What am I?

What can you serve, but never eat?

When can we add 2 to 11 and get 1 as the correct answer?

After undergoing a successful eye operation, A blind girl has just boarded a train to her home. The doctor asked her to open the bandages after 3 hours. On her train journey, she opened the bandages and within a fraction of the time she commits suicide by jumping off the train.

Though her operation was successful, Why did she commit suicide?

A Child was born in Lahore, Pakistan. Still, the child is not a Pakistani citizen. why?

A train leaves from point A for point B at 80 mph. After half an hour, another train leaves from point B for point A at 60 mph.

Which of the trains will be farther from point A when they meet ?

By using 'because' continuously three times, can you make an English statement ?

Who always enjoys poor health?

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

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?