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?

A chess tournament is taking place on knock-out terms (the one who loses the match is out of the game).
(a) If 10 matches are played in total, how many players participated?
(b) If 20 players took part in the tournament, how many matches were played?

A man was telling some of his war stories to his grandchildren.
"When the World War I was on the verge of end, I was awarded for my bravery for I had saved a group of my men." He coughed and then added, "When we were fighting in northern France, an enemy soldier threw a grenade at us. Before it could explode, I picked it up and threw it away. For my act of bravery, right before the war ended, A General gave me a sword engraved with the words "Awarded for Display of Bravery and Heroism in World War 1"."

Hearing this, one of the grandson spoke up. "Grandpa, this is not a true story. It can"t be true!"

The truth is that it was not. How did the grand children know it?

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

What has no start, end, or centre?

A bomb exploded in a room full of married couples and no one died. How?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

There are 3 apples in the basket and you take away 2. How many apples do you have now?

What does a man do only once in his lifetime, but women do once a year after they are 29?