Identify the hidden meaning behind this picture?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

A man dies of old age on his 25 birthday. How is this possible?

What kind of storm is always in a rush?

In my garden, I have many trees but only one of them is the mango tree. In these mango trees, there are some mangoes(as expected).

But after a strong wind, there are neither mangoes on the tree nor on the ground. Explain?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

What goes up but never comes down?

Why did the Girl throw the butter out of the window?

100 birds were sitting on a tree.
A shooter shoots one of the birds and the bird dies instantly.

How many are left now?

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.