The more of this there is, the less you see. What is it?

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.

If an earthquake is 1 point higher on the Richter Scale than another earthquake which is actually 10 times stronger, how much stronger would an earthquake be if it was just half a point higher on the Richter scale?

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

Prove that the below maths equation is true.

8 + 8 = 91

Solve this tricky question. You are trapped in a forest. With you, you have a gun preloaded with two bullets in it. In front of you, there is a tiger, a leopard and a jaguar.

How do you survive?

Replace the question mark with the correct number in the below-given picture?

What does this say?

XLR8

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

Solve the equation in the image by looking at the pattern closely.