Identify the hidden meaning behind this picture?

What you cannot hold but it is yours?

There is one four-digit whole number n, such that the last four digits of n2 are the original number n

Can you count the number of children in the picture below

A Car driver was heading down a street in Washington. He went right past a stop sign without stopping, he turned left where there was a 'no left turn' sign and he went the wrong way on a one-way street. Then he went on the right side of the road past a cop car. Still, he didn't break any traffic laws. Why not?

Two men are in a desert. They both have packs on. One of the guys is dead. The guy alive has his pack open, and the guy who is dead has his pack closed. What is in the pack?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.

I know a 5-digit number having a property that With a 1 after it, it is three times as large as it would be with a one before it.

Guess the number?

How many words can a quill made with the feather of a pigeon write with a 100ml bottle of black ink?