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.

Can you count the number of triangles in the picture below?

In a stable, there are men and horses. In all, there are 22 heads and 72 feet. How many men and how many horses are in the stable

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

What is the four-digit number in which the first digit is one-third the second, the third is the sum of the first two, and the last is three times the second?

Can you find out the remainder when 3^300 is divided by 5?

In the figure that has been attached to this question, each digit represents a digit. The similar letters carry the same integer value. Can you expose the original digits?

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?

What does a man do only once in his lifetime, but women do once a year after they are 29?