Its something that each of us devours,
Not just us but birds, beats, trees, and flowers,
Frets iron and nibbles steel,
Toil hard stones to meal,
Exterminates king, collapse town,
And blows the mountains down.

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

I never was there, I am always to be.
You have never ever seen me, not ever you will.
Yet I am the confidence of everyone.

Who Am I?

There is so small cabin inside a deep forest.
All the forest burned out to worst possible but the inside of the cabin is still the same.
However all the person inside the cabin die.

How come ?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

Count the squares in the matchstick puzzle below?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

Can you solve below mathematical equation?

2^1234 - 2^1233

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

John and his team plan to rob a safe. They got just one chance to break the code else the local police will be informed. Below are clues:
A) Exactly one number is perfectly placed: 9 8 1
B) Everything is incorrect: 9 2 4
C) Two numbers are part of the code of the safe but are wrongly placed: 0 9 3
D) One number is part of the code of the safe but is wrongly placed: 1 4 7
E) One number is part of the code of the safe but is wrongly placed: 7 8 3