If you say my name, I will no longer exist. What am I?

What question can you never answer yes to?

After teaching his class all about Roman numerals (X = 10, IX=9 and so on) the teacher asked his class to draw a single continuous line and turn IX into 6. The teacher's only stipulation was that the pen could not be lifted from the paper until the line was complete.

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?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

What is red and smells like blue paint?

A farmer and his neighbour once went to Emperor Akbar"s court with a complaint. "Your Majesty, I bought a well from him," said the farmer pointing to his neighbour, "and now he wants me to pay for the water."
"That"s right, your Majesty," said the neighbour. "I sold him the well but not the water!"?
The Emperor asked Birbal to settle the dispute. How did Birbal solve the dispute?

What has one eye, but can’t see?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?