It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

I am the first thing you need while camping.
I am always with the person named Marcos Valencia and Carrick.
But Pogba Zlatan and Rooney think I am wasteful and do not need me.
I am the second to the last thing to add when you are making a patch.

What am I?

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?

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

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

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 five letter word can be added at the end of below word to form a
valid word?

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

What word is pronounced the same if you take away four of its five letters?

What do you answer even though it never asks you questions?