If the ratio of boys to girls in a class is B and the ratio of girls to boys is G; then 7 (B + G) is ?\nOptions:\n(A) more than 7\n(B) Less than 3\n(C) More than 3\n(D) Less than 1/3\n(E) none of these Let's think first. Stream of consciousness:
User
Let number of boys = x\nLet number of girls = y\nTherefore x/y = B and y/x = G\n7(B + G) = 7[(x/y) + (y/x)] = 7[(x2 + y2)/xy] > 7
So, the answer is (A).
Assistant