Easy Riddles and Answers

Question: What is black and white but red all over?

Question: Which runs faster, hot or cold water?

Question: There are 3 switches downstairs, each corresponding to one of the light bulbs upstairs. How can you figure out which light switch goes to which light bulb by only making 1 trip upstairs?

Question: An electric train is traveling south. Which way does the smoke go?

Question: Had by few but treasured by all,
I'm on the inside and outside and I make men fall.

What am I?