The average age of a college is 21.8 years. If the average age of students of college is 24.2 years and Average age of lecturers of college is 20.6 years. Find the ratio of the number of students to that of Lecturers?
Choose the correct choice from the following answers:  A) 3:1  B) 1:3  C) 2:1  D) 1:2  E) 3:2
1:2   Option '1:2'
<result>D</result>
The average age of a college is 21.8 years. If the average age of students of college is 24.2 years and Average age of lecturers of college is 20.6 years. Find the ratio of the number of students to that of Lecturers?