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.

The doctor prescribed you to take one pill from the bottle every half an hour. The bottle is now left with only three pills.

How long do you think you have before you run out of pills?

Replace the question mark in the picture below.

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

Assume the given figure to be a delicious doughnut. Yes, now you can concentrate more on the puzzle. So you have this delicious doughnut in your refrigerator when your friends come knocking at the door. There are eight of them. Now you have to make three cuts in this doughnut so that each one of you nine people can enjoy a piece of it. Neither you nor your friends would mind the size of their piece as long as they are getting it. How will you do it?

Why is the longest human nose just 11 inches?

What does below pictogram mean?

What word does this rebus represent?

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Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

Which word does the below Plexor means ?