Remove two matchsticks to make the below equation correct.

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 bricks does it take to complete a building that is 15 feet wide, 30 feet deep, and 12 feet tall made of brick?

Name the three-letter word that can complete the below words?

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E

Can you count the number of squares in the figure below?

Which letter of the alphabet has the most water?

Krish is 45 years old and his mother Crishtina is 73 years old.

Can you find out how many years ago, his mother was three times his age?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

Replace the question mark with the number below given a simple math problem.