Kids Riddles

Question: Two men play five sets of tennis together and each win three sets.

How is this possible?

Question: How can six become sticks?

Question: Surrounded by green, surrounding white.
Inside is red, holding many black babies.

What is it?

Question: There are 50 crows on a wire, a hunter shoots and kills three. How many are there left on the wire?

Question: There are 31 horses on a cliff, first they jump into the air, then they come down and stop, then they stand still.

Why do they do this?