Objects in image: Tie, Clock, Scale, Alarm clock, Digital clock, Stethoscope, Tool, Watch, Wall clock
Text visible in image: 5, 10, 5, 15, 20, 10, 25, 25, 30, 15, PRESS.
Question: what is the lowest number shown on the middle device?
Answers: 0, 0, 0, 0, 0, 15, 15, 0, 0, 0