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

What do you see in the given picture?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

What kind of storm is always in a rush?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

What Adam and Eve do not have but the rest of the people have?

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

There are two beautiful yet remote islands in the South Pacific. The Islanders born on one island always tell the truth, and the Islanders from the other island always lie.
You are on one of the islands and meet three Islanders. You ask the first which island they are from in the most appropriate Polynesian tongue, and he indicates that the other two Islanders are from the same island. You ask the second Islander the same question, and he also indicates that the other two Islanders are from the same island.
Can you guess what the third Islander will answer to the same question?

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?