How can a man go eight days without sleep?

You can see three almost identical images below. Can you spot the odd one out from them?

I am dry when I go inside, but wet when I am pulled outside.
The longer I am inside, the stronger I get
When I am completely out, I am wet and I literally sag
Who am I?

What does below rebus means ?

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

There is an exact a week gap between Christmas and New Year. Hence, It is obvious that the new year that comes right after Christmas comes on the same day of the week.

A Strange thing happened in the Year 1777. Christmas occurs on Wednesday and New Year on Monday. How is that possible?

I am a three digit number.
My tens digit is five more than my ones digit.
My hundreds digit is eight less than my tens digit.
What number am I?

I can write cow in 13 letters.

Can You?

A Child was born in Lahore, Pakistan. Still, the child is not a Pakistani citizen. why?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?