In a class, the numbers of boys and girls are in the ratio of 3 : 5 . What is the percentage of boys in the class? - Quantitative Aptitude MCQ Prepp 2026 | ExamTest.live

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In a class, the numbers of boys and girls are in the ratio of 3 : 5 . What is the percentage of boys in the class?

Solution & Step-by-step Explanation

Let the number of boys be 3 x and the number of girls be 5 x . Total number of students in the class: Total Students = Boys + Girls = 3 x + 5 x = 8 x The percentage of boys is calculated as: Percentage of boys = (\frac{Number of boys}{Total number of students} \times 100) % Percentage of boys = (\frac{3 x}{8 x} \times 100) % = \frac{300}{8} % = 37.5%

Try it yourself before checking the explanation above.

In a class, the numbers of boys and girls are in the ratio of 3 : 5 . What is the percentage of boys in the class?

37.5%

60%

42.5%

12.5%

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