Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

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

What is black when you buy it, red when you use it, and gray when you throw it away?

There is a square piece of paper with a hole that is denoted by the circle on the top right side in the given picture. You have to cut the paper in a manner that it forms two and only two separate pieces of paper and then rearrange the pieces in a manner that the holes come in the centre of the paper.

I have a big mouth and I am also quite loud! I am NOT a gossip but I do get involved with everyone's dirty business.

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

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

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

Fate has decided that you will only be pleased to meet me when you need me

Maybe that is why, when I am working, I start working

However annoying I may be to the regulars, the little ones are always inspired

I will always be waiting if you try to reach me

How many of you can guess my name, let me see

Jenifer is learning to drive her car. She went down a one way lane and in the wrong direction. But she do not break any law.

How come ?