I have eight fingers and two thumbs but I do not live. What Am I?

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

If "P" means "-", "Q" means "/", "R" means "+", and "S" means "*" then find the value of the following:

21 Q 7 R 9 S 10 P 13

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

The Judge knows that Alamgir was killed by his girlfriend Jasline, but the judge is unsure whether to punish her. Why?

What goes up but never comes down?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

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.

Why do people go to bed?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?