Can you find a five letter word that is left with only two letters if one is removed?

I add 5 to 9 and get 2. The answer is correct, so what am I?

It can't be seen, can't be felt, can't be heard, and can't be smelt.
It lies behind stars and under hills, And empty holes it fills.
It comes first and follows after, Ends life, and kills laughter.
What is it?

Rearrange the letters in "new door" to make one word.

Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

Can you find a number that lies one third of the distance between 1/3 and 2/3?

A man was gazing through the window of the 23rd floor of the building. He suddenly opened the window and jumped on the other side of the window. On landing on the floor, there was not a sheer mark of injury on him.

How can that be possible if he did not use any kind of parachute and did not land on a soft surface?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?