Answer:
What is black when it is clean and white when it is dirty?
I usually wear a yellow coat. I usually have a dark head. I make marks wherever I go.
The surname of Cinderella's boyfriend
Even the oldest ones can be described as current, but a little mainstream.
If four people can repair four bicycles in four hours, how many bicycles can eight people repair in eight hours?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?