If the positive integer b is 5% greater than the positive integer a, which of the following expressions must be equal to an integer? I. b/3 II. b/5 III. b/7 A. None B. II only C. I and II only D. I and III only E. II and III only Given that b = a*(105/100) Or, b = a*(3*7)/(4*5) Or, a = b*(4 * 5)/(3...

The question belongs to OG 13. (question number 87)

regards,
Arun.