What does this rebus riddle means ?

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

Only one colour, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

Why are televisions attracted to people?

Rebus Puzzle Definition: A rebus is an illusion device that uses pictures to represent words or parts of words.
What does This Rebus Puzzle Identify?

There is a certain crime, that if it is attempted, is punishable, but if it is committed, is not punishable. What is the crime?

I am something people love or hate. I change peoples appearances and thoughts. If a person takes care of them self I will go up even higher. To some people I will fool them. To others I am a mystery. Some people might want to try and hide me but I will show. No matter how hard people try I will Never go down. What am I?

Can you find out the number that should replace the question mark with a valid reason?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

Why did Navjot Singh Sidhu put the new January calendar in the freezer