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.

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

With the help clues provided in the image, can you find the 5 digit key?

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different.

How do you measure 45 minutes?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

Can you divide the below-given shape into four equal and identical pieces?

There are six people in a family namely M, N, O, P, Q and R.

R and O are brother and sister.

N is the brother of Q's husband.
P is the father of M and grandfather of R.

How many male members are in the family?

Why 1729 is a magic number? Answer Logically.

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

An artist while painting a scenic beauty, decides to paint three layers of blue colour on the sky.

Which layer will go on the first?