In a college, the ratio of the number of boys to girls is 8 : 4. If there are 200 girls, the total number of students in the college is
Choose the correct choice from the following answers.
A) 420  B) 520  C) 600  D) 720  E) 820

Rationale: "explanation : let the boy are 8 x and girls are 4 x = > 4 x = 200 = > x = 50 total students = 8 x + 4 x = 12 x = 12 ( 50 ) = 600 option c"
Answer: C