What number do you get when you multiply all of the numbers on a telephone's number pad?

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.

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

Name a key which is hardest to turn.

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

In the image below, can you find the value of an angle(y)

In one of the popular batman series movie "Batman Forever", there was a riddle that goes like "Tear me off and then scratch my head and I was red then and now I am back. Who am I?

As we know that white starts the game of chess. Can you find the scenario shown in the picture below is possible when all the white pieces are at the original place while the black pawn is not as in the below picture?

The captain of a ship is telling you an interesting story and then poses a question. He says, “I have travelled the oceans far and wide. One time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly. Can you tell me how that was possible?”

Can you count the number of triangles in the given figure?