Answer:
I am an odd number. Take away a letter and I become even. What number am I?
I cannot be bought cannot be sold even if Iām sometimes made of gold.
I am a tale in childrens' minds. Though an illusion, I occur every night. I give them a fantasy, I give them a fright. What am I?
I run up and down the stairs without moving
I am tomorrow's yesterday and yesterday's tomorrow. What am I?
Give it food and it will live, give it water and it will die.