Good Riddles

Question: Ben saw a very special bus. Its colour is yellow and purple. This bus can fit more than 99 persons. Guess where he saw that bus.

Question: How many roads does a man need to walk before he becomes a man?

Question: If your overweight father-in-law, mother-in-law who looks like she's about to die, and your wife approach you in your car but you only have one other seat, who would you take?

Question: It takes one word to separate them; otherwise they are inseparable.

What are they?

Question: A man walks all the way around the world without getting wet.

How does he do this?