Take away the whole and some still remain. What is it?

The captain of a ship was telling this interesting story: "We travelled the sea far and wide. At one time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly." How can that be possible?

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

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

What am I?

All of the flowers I have are orchids except two. All of the flowers I have are hibiscuses except two. All of the flowers I have are roses except two.

Can you tell me how many flowers I have?

You visit a home for specially-abled children on the occasion of Christmas where you meet with 50 children. You have a box of chocolates containing 50 chocolates exactly.

What if you were asked to one chocolate to each child in a manner that one chocolate still remains in the box? Is it possible?

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

which number am I?

How many Watermelons are there in the below picture?

What time is it when an elephant sits on a fence?