Answer:
What room do ghosts avoid?
People see through me, but none pass through without killing me. I can be anywhere, and can be seen double or single. What am I?
I cannot be bought cannot be sold even if Iām sometimes made of gold.
I am a king who's good at measuring stuff. What am I?
If you have me you want to share me. If you share me you don't have me. What am I?
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.