Q67. If a, b, and c are positive real numbers such that abc = 1, what is the minimum value of the expression (a+b)/(ab) + (b+c)/(bc) + (c+a)/(ca)?Mathematics — Inequalities — Question 67 of 85A. 6B. 9C. 12D. 3Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →