What word is pronounced the same if you take away four of its five letters?

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.

When 99 is considered higher than 100?

You have three orange, two pink and five purple balls in the drawer beside your bed. There is no electricity and the room is entirely dark. How many balls must you take out to ensure at least one ball of each colour at least?

What is at the end of a rainbow?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

See the given image carefully. What you have to do is move the blue checkers in the position of the black checkers and vice versa. You are only allowed to move the checker to an adjacent empty space. Do it in the least possible moves.

A network of 20 x 10 squares is given to you.

Can you calculate how many unique squares and rectangles can be formed combining two or more individual squares ?