Replace the question mark with the correct number in the below-given picture?

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

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

Find the combined weight of the Cat, Dog and Rabbit in the given picture.

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

Lifeless eyes on my smiling face and watch your child's sleeping place. In their dreams they hold me tight. What am I?

Pronounced as one letter,
And written with three,
Two letters there are,
And two only in me.
I am double, I am single,
I am black blue and grey,
I am read from both ends,
And the same either way.

If two fifty-foot ropes are suspended from a forty-foot ceiling that is twenty feet apart, how much rope will you be able to steal if you have a knife?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

A king sentenced a man to the death sentence for some crime he had committed. Known for his kindness, the king told the culprit that he had a choice to die in a way he decides.

The culprit was clever and said something that saved him from death. What method do you think he must have chosen for his death?