Short Riddles and Answers

Question: I'm measured in temperature and time, but have neither.

What am I?

Question: What's the angle between minute hand and hour hand at a quarter past three?

Question: What's cheaper than gold, yet more valuable.Hard to find, but easy to loose

Question: What has rivers but no water, forest but no trees and cities but no people.

Question: What's wet and dry Takes you low Moves real fast And kills you slow ?