If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

If two's company, and three's a crowd, then whats four and five ?

The captain of a ship is telling you an interesting story and then poses a question. He says, “I have travelled the oceans far and wide. One time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly. Can you tell me how that was possible?”

The first person saw the bridge step on it and crossed,
the second person saw the bridge did not step on it but crossed,
the third person did not see the bridge did not step on it but crossed.
Who are these people?

Count the number of squares in the picture below.

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?

I am an odd number. Take away a letter and I become even. What number am I?

If two fifty-foot ropes are suspended from a forty-foot ceiling that is twenty feet apart, how much rope will you be able to steal if you have a knife?

By adding four matchsticks, can you divide the square shown in the picture into two equal parts?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?