Can you write down eight eights so that they add up to one thousand?

A donkey is behind another donkey
I'm behind that second donkey
But there is a whole nation behind me

It is a murder you can describe in a word.

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

I have teeth but i don't bite. Who Am I ?

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

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?

Below, you will find the mathematical proof that 10 equals 9.99999?. But is that possible or there is something wrong about it? Can you find the error?

x = 9.999999...
10x = 99.999999...
10x - x = 90
9x = 90
x = 10

If eleven plus two equals one, what does nine plus five equal?

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.