Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

There is a box in which distinct numbered balls have been kept. You have to pick two balls randomly from the lot.

If someone is offering you a 2 to 1 odds that the numbers will be relatively prime, for example
If the balls you picked had the numbers 6 and 13, you lose $1.
If the balls you picked had the numbers 5 and 25, you win $2.

Will you accept that bet?

How many times do a clock's hands overlap in a day ?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?

What are the next two letters in the following series and why?
W A T N T L I T F S _ _

*Hint: Check Puzzle Title

A father's child, a mother's child, yet no one's son.

Who am I?

Two boys wish to cross a river. The only way to get to the other side is by boat, but that boat can only take one boy at a time. The boat cannot return on its own, there are no ropes or similar tricks, yet both boys manage to cross using the boat.

How?

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?