Brain Teasers!

Hello friends! the following are 8 small brain riddles. Solve and post the answers! lets see who scores highest!!

1) A father and his son are in an automobile. They have an accident. The father is killed, and the son is rushed to the hospital. A surgeon is called in to perform an intricate operation. When the operation is successfully completed, the surgeon looks at the boy’s face for the first time and says, "Why that’s my son!" How could that be?

2) I am looking at some body's photo. Who is it I am looking at, if I don't have any brothers or sisters and the father of the man in the photo is the son of my father?

3) Mary's mum has four children.
The first child is called April.
The second May.
The third June.
What is the name of the fourth child?

4) Some months have 30 days others have 31 days.how many months have 28 days??

5) Divide 30 by half and add 10.whats the answer?

6) A farmer had 17 sheeps. all but 9 died.how many live sheeps were left?

7) A plane crashes on the border of California and Nevada.in which state do you bury the survivors?

8) A tomato is a fruit or vegetable?