Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

What does this rebus means ?

PROG WORKRESS

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.

Our product and our sum always give the same answer. Who are we?

1. What does:
TIM JOB
represent?

2. What does:
MO_ _
represent?

In the Chess Board picture below white army is arranged. You need to add a black army on the board such that no piece is under any threat.
Note: Army comprised of 1 king, 1 queen, 2 rooks, 2 bishops, 2 knights, and 8 pawns.

Pronounced as one letter,
And written with three,
Two letters there are,
And two only in me.
I am double, I am single,
I am black blue and grey,
I am read from both ends,
And the same either way.

How can you make number one disappear by adding something to it?