What is the Surname of Barbie Doll?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

What can you hold in your right hand, but never in your left hand?

Why do Chinese men eat more rice than Japanese men do ?

In a boat, the father of a sailor's son is sitting with the son of the sailor. However, the sailor is not present on the boat.

Can this even be possible?

In the given picture, you can find two letters missing. When two particular letters are placed in the missing spots, you get an eight-letter word while reading in the anti-clockwise direction. Can you find out the missing letters and the missing word eventually?

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

What Am I?

What is the end of everything?

What number do you get when you multiply all of the numbers on a telephone's number pad?

You and your two friends are working in a multinational company. How can you three find out the average salary of you all without disclosing your own salary to the other two?