Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

No matter how little or how much you use me, you change me every month. What am I?

What does this rebus mean?

O
N
C
E
TIME

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

Outside a tattoo artist's shop, there was a signboard which read 'I make tattoos on only them who do not tattoo themselves'.

Reading it what do you think, does the tattoo artist tattoo himself?

People make me, save me, change me, raise me. What am I?

I am a five-letter word under you,
Remove the first letter and I am above you,
Remove the second as well and I am around you.

Who am I?

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.

What question can you never answer yes to?

what does the below rebus mean?