During which month do people sleep the least?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

I know a nine-letter word having only one vowel.
Do you ?

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

Begin with a word, five letters to my name,
Remove the first and last but I am the same
Take out my middle and still, I remain.
What word am I?

John was working on a Chemical Mixture whose weight comprise 90% liquid and 10% solid. The total weight of the mixture is 20 pounds. After a while, John noticed that some of the liquid evaporated and now the liquid comprises just 50% of the weight.

What is the weight of the chemical mixture now?

A man is lying dead in a field where no one is around. His head is split open and his legs are disfigured. Near to him, there is an unopened package. No living organism can be found anywhere at the crime scene.

How did he die?

The answer I give is yes, but what I mean is no. What was the question?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

Can you solve below mathematical equation?

2^1234 - 2^1233