Good Riddles

Question: What temperature is twice as hot as 0 degrees Celsius?

Question: There are five hen and rooster pairs. Each pair has one baby every month.

How many chickens will there be in one year?

Question: I tear paper but I'm not mad,
I wear a purse but it's not a fad.

Who am I?

Question: What does a cruise ship, a dead man, and an emu have in common?

Question: The doctor gives you three pills and tells you to take one every half hour. How long before you run out of pills?