Question: The inverse ratio of 6: 2: 1 is?
Options:
(A) 2:3:7
(B) 2:3:9
(C) 2:3:2
(D) 1:3:6
(E) 2:3:1 Let's think first. Some random reasoning:
1/6: 1/2: 1/1 = 1:3:6 The final answer: (D).