* 1. An electric train that is black and red is going north at 100mph, which way is the smoke blowing?

* 2. A man and his son were in an automobile accident. The man died on the way to the hospital, but the boy was rushed into surgery. The emergency room surgeon said, "I can't operate, that's my son!" How is this possible?

* 3. If you were to spell out numbers, how far would you have to go before you would find the letter "A"

* 4. The Mississippi River is in between the two states Tennessee and Arkansas: If an airplane crashed exactly in the middle of the Mississippi River, where would the survivors be buried?

* 5. What is as big as you are and yet does not weigh anything?

* 6. A man is wearing black shoes, socks, trousers, jumper, gloves, and balaclava. He is walking down a dark street with all the street lamps off. A black car is coming toward him with its lights off too, but somehow manages to stop in time. How did the driver see the man.

* 7. What is the longest word in English?

* 8. Complete this sequence of letters: o, t, t, f, f, s, s, _, _, _.