What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

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 bus driver was heading down a street in Mexico. He went right past a stop sign without stopping, he turned left where there was a "no left turn" sign, and he went the wrong way on a one-way street. Then he went on the left side of the road past a cop car. Still - he didn't break any traffic laws. Why not?

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

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?

There are two words one resembles the "state of rest" and the other is related to "writing/reading material".

Can you name these two words which also sound similar?

I look at you, you look at me, I raise my right, you raise your left. 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 taste better than I can smell. Who am I?

If a boy blows 18 bubbles,
Then pops 6 eats 7 and then
He pops 5 and blows 1.
How many are left?