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.

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

What do you call a fish without an eye?

You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.

In how many different ways you can climb 10 stairs?

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

You need to arrange three 7 and mathematical symbols to form number 1?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

How many times do a clock's hands overlap in a day ?

Who are the happiest people in IPL match?

John has eleven friends. He has a bowl containing eleven apples. Now He wants to divide the eleven apples among his friends, in such a way that an apple should remain in his bowl.
How can He do it?