Question

The ratio of the number of teachers to students in a school is 1:20. If there are 240 students in the school, how many teachers are there?

• A. 12

Answer 1

The correct option is A 12
Ratio of the number of teachers to students = 1:20
So, the number of students are 20 times the number of teachers.
Number of students in the school = 240
$\therefore$ The number of teachers in the school = 240 $÷$ 20
= 12