I have feet, but no legs. Which animal Am I?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

Name a key which is hardest to turn.

Which tank will fill first?

What does a man do only once in his lifetime, but women do once a year after they are 29?

What kind of band never plays music?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

You are given four tennis balls and asked to arrange those balls in a manner that the distance between each one of them is exactly equal. How will you do it?

John and Jill are madly in love with each other. To remind Jill of his pure love, John wants to send her a ring by post but in their country where burglary is quite prominent, any package that is not locked comes under the risk of being stolen for the contents.

John and Jill possess many padlocks but neither one of them has the other key.

Can you find a way John can send the ring to Jill safely?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C