The ratio of boys to girls in a class is $3:5$. If the total number of students is $64$, how many girls are there?
Practice this question from Chapter Mock 2: Ratio, Proportion and Partnership, with options and an explanation.
Question
The ratio of boys to girls in a class is $3:5$. If the total number of students is $64$, how many girls are there?
Option A
24
Option B
32
Option C — Correct answer
40
Correct choice.
Option D
48
Explanation
Total parts $=8$. Each part $=64\div8=8$. Girls $=5\times8=40$.