What is at the end of a rainbow?

Jack and Joseph are well-known golf rivals. One Day during a match, they were level at a score of 30. Jack hit a bad shot and Joseph added 10 to his score. Joseph then hit an awesome shot and he won the game.

How ?

Can you name some countries which do not have the alphabet 'A' in them?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

Which of the following words don't belong in the group and why?
CORSET, COSTER, SECTOR, ESCORT, COURTS

The more it dries, the wetter it becomes. Can you tell what it is?

I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?

I look at you, you look at me, I raise my right, you raise your left. What am I?

Living above a star, I do not burn
Eleven friends and they do not turn
I can just be visited in a sequence, not once or repeatedly
PQRS are my initials
Can you tell my name accurately?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.