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.

Whats the next number in the below number sequence pattern.

How can you make number one disappear by adding something to it?

Remove two matchsticks to make the below equation correct.

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

Which letter of the alphabet has the most water?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?

Solve the puzzle by telling what does below picture means.

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?