Ruby on rails developer Interview Questions in Boston, MA

You are running a car wash. Here are the rules: - Your car wash accepts cars and trucks. - You charge $5 for cars. - You charge $10 for trucks. - Your car wash charges $2 extra if the truck has mud in the bed. - Your car wash does not accept trucks with the bed let down. - If the vehicle comes in a second time, they get 50% off. - If the license plate equals 1111111, the vehicle is stolen and does not get a car wash.