Identify the hidden meaning behind this picture?

What is the probability of choosing the correct answer at random from the options below?

a) 1/4
b) 1/2
c) 1
d) 1/4

In a stable, there are men and horses. In all, there are 22 heads and 72 feet. How many men and how many horses are in the stable

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

Christina is practising her dance steps along with her friends. In a particular sequence, all of them form a row. At that point, Niharika is standing in the 4th position from either end of the row.
Can you find out how many girls are practising together?

I am written with two letters.
I said with the one.
I usually am seen with the two.

Who am I?

Can you solve below mathematical equation?

2^1234 - 2^1233

What is the below Rebus indicate?

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