A) if my life depended on this , i would cut the green and red balls in half and paste each half with the other half the other color. That way whichever ball is picked i would just flip the ball over to the color green
not sure if that was prohibited .
B) the clever man who stood up would know what his crown was made of by looking at his reflection off the other men's crown. He also knew if his crown was gold or silver by determining if it felt heavy enough to be gold because gold is heavier than silver.
Lol
Rollin username: MzTriple7s