Answer:
What word when read from left to right is a ruler, but when read from right to left is a servant?
You cannot keep me until you have given me. What am I?
I have hundreds of ears but cannot hear a thing. What am I?
Drop me and the world will shatter. You can always find me where you empty your bladder. What am I?
I dance on one feet and knows only one shape. Someone with same name as me is very good with directions
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.