What goes up but never comes down?

Can you find the odd one out from the below words ?

First Second Third Forth Fifth Sixth Seventh, Eighth Nine Ten Eleven Twelve.

What is so fragile that saying its name breaks it?

What will you call your mother's brother's brother-in-law?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

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

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

What English word has three consecutive double letters?

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

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 ?