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.

In a jungle where there are no street lights or any other artificial source of lights, I notice a black snake crossing the road.
How did I get sight of the snake?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

Find the number of squares in the below-given picture.

I’m tall when I’m young, and I’m short when I’m old. What am I?

What can you deduce from the following BrainBat?

CRY
LMKI

If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

What brings you down but never up?

Complete the table series riddle by finding the number that can replace "??".