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 triangles can you find in this given picture?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

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

In the figure, you can see nine stars. What you have to do is connect all of them by using just four line and without lifting your hand i.e. in a continuous flow.

I shave every day, but my beard stays the same. What am I?

In a certain bank, a man deposits a certain amount. According to the bank policies, the amount will be doubled up in a year but as the service charge, they will also deduct Rs. 65 by the end of every year.

If after the 6th year, the amount becomes 0, what do you think is the original amount he deposited in the bank?

What do you answer even though it never asks you questions?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

A man dies of old age on his 25 birthday. How is this possible?