I taste better than I can smell. Who am I?

What is always in front of you but can’t be seen?

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

I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?

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?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

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?

Which English verb becomes past tense just by rearranging the letters?

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

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