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.

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

Only one color, 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?

A boy collects white seashells from the sea and brings them home every night. When he has enough of them, he decides to sell them to a trader.

The trader is ready to buy the shells and he asks the boy about the quantity. At this, the boy starts calculating. He has a giant box that contains 3 mini boxes. Two of them have another mini box inside. If the giant box can hold 50 shells, how many brown shells can he sell to the trader?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

How can one talk without saying a single word?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

What 8 letter word can have a letter taken away and it still makes a word. Take another letter away and it still makes a word. Keep on doing that until you have one letter left. What is the word?

In the picture given below, can you find out which digit will take place of the question mark?

I can be made.
I can be cracked.
I can be told.
I can be played.

Who am I?