A boy and his father are caught in a traffic accident, and the father dies. Immediately the boy is rushed to a hospital, suffering from injuries. But the attending surgeon at the hospital, upon seeing the boy, says 'I cannot operate. This boy is my son.' How is this situation explained?

There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?

In which direction should the missing arrow point?

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

What has no start, end, or centre?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

What has one letter and starts with an E?

Rearrange the letters in "new door" to make one word.

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

John: "Hi Teacher, What is your favourite movie ?".
Chemistry Teacher: "Indium Cerium Platinum Iodine Oxygen Nitrogen".
Ten seconds later... John replied I got it.

Do you?