Subject: mathqa
Question: each factor of 220 is inscribed on its own plastic ball , and all of the balls are placed in a jar . if a ball is randomly selected from the jar , what is the probability that the ball is inscribed with a multiple of 55 ?
Option: 
A: 1 / 16
B: 3 / 16
C: 5 / 42
D: 1 / 4
Answer: D