What does the below image rebus riddle means ?

If eleven plus two equals one, what does nine plus five equal?

Which flower has two lips?

What has many teeth, but cannot bite?

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

Kohli and Dhoni decided to have a paintball match.
Kohli told Dhoni, "Sir it is not right as you got thrice the paintballs I have".

Dhoni instantly gives Kohli 10 hit paintballs.
Kohli replied, "Sir, I believe you still have twice the paintballs than I have".

Dhoni gives "?" more paintballs to Kohli.
Kohli replied, "Sir it is even now, Let us have a match".

What is "?".

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

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

Can you name an animal whose killing cannot be performed without spilling your own blood?

There was once a college that offered a class on probability applied to the real world. The class was relatively easy, but there was a catch. There were no homework assignments or tests, but there was a final exam that would have only one question on it. When everyone received the test paper it was a blank sheet of paper with a solitary question on it: 'What is the risk?'.Most students were able to pass, but only one student received 100% for the class! Even stranger was that he only wrote down one word!
What did he write?