If the ratio of boys to girls in a class is B and the ratio of girls to boys is G; then 10(B + G) is ?
Choose the most appropriate option:  A) Equal to 3  B) Less than 3  C) More than 10  D) Less than 10  E) none of these
Let number of boys = x   Let number of girls = y   Therefore x/y = B and y/x = G   10(B + G) = 10[(x/y) + (y/x)] = 10[(x2 + y2)/xy] &gt; 10   ANSWER:More than 10
<result>C</result>
If the ratio of boys to girls in a class is B and the ratio of girls to boys is G; then 10(B + G) is ?