What does this Rebus Picture mean?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

You need to move three matchsticks to form three squares. Can you do it?

What number when divided in half becomes zero?

A man has a barrel filled with oil that weighs 100 pounds, and then he puts something into it. Now the barrel weighs less than 100 pounds. What did he put in the barrel?

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

Which alphabet is a part of our body?

John and Jacob are twin brothers. One of them is a liar whereas the other one is a truth-teller.

I called their home number and one of them picked up.
I asked. 'Does John lie?' The person replied with a yes.

Whom did I talk with, John or Jacob?

What has one eye, but can’t see?

We can be boring,Or interesting.
We can be long,Or short.
We can have pictures,Or just words.
Many love us,But many also hate us.
What are we?