I have eight fingers and two thumbs but I do not live. What Am I?

What runs around the whole yard without moving?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

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

A fresher was sitting in an interview. The interviewer said, "This is the last question of your interview. Tell me the accurate position of the centre of this table where your resume is kept."

How can he answer this question? What will you have answered to such a question?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

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 ?

I am the black child of a white father, a wingless bird, flying even to the clouds of heaven. I give birth to tears of mourning in pupils that meet me, even though there is no cause for grief, and at once on my birth, I am dissolved into air. What am I?