Q: If the ratio of boys to girls in a class is B and the ratio of girls to boys is G; then 5 (B + G) is ?\nOptions:\n(A) Equal to 3\n(B) Less than 5\n(C) More than 5\n(D) Less than 1/5\n(E) none of these Let's give some random thoughts before answering.
User
Let number of boys = x\nLet number of girls = y\nTherefore x/y = B and y/x = G\n5(B + G) = 5[(x/y) + (y/x)] = 5[(x2 + y2)/xy] > 5
Therefore, the answer is (A).
Assistant