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

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?

John leaves home and then he takes three right turns. John wants to return to home but he was scared of Jacob, who is wearing a mask.

What is John Situation ?

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

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

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

There is something which is always coming but never arrives?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

A patient was diagnosed with some ailment. He was given five different tablets to take at night at an interval of 15 minutes.

How long will it take the patient to consume all the five tablets?

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