Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

Can you solve below mathematical equation?

2^1234 - 2^1233

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

A bomb exploded in a room full of married couples and no one died. How?

Decode the movie name from the below picture?

By using 'because' continuously three times, can you make an English statement ?

Why do Chinese men eat more rice than Japanese men do ?

If two fifty-foot ropes are suspended from a forty-foot ceiling that is twenty feet apart, how much rope will you be able to steal if you have a knife?

A sea diver is a real show-off. He showed everyone that he can hold his breath underwater for 15 minutes.

I went to the diver and told him that I can be underwater for double the time i.e 30 minutes.
He responded that he will give me 100$ if I would be able to do it. I won 100$.

What did I do?

I am a five-letter word and people eat me. If you remove the first letter I become an energy form. If you remove the first two letters, I am needed to live. Scramble the last three letters and I am a drink. What word am I?