In a class of 50 students, 60% are girls. How many boys are in the class?

Topic: Percentages
Subtopic: Basic Percentages

A15

B20

C25

D30

Explanation

Percentage of boys = 100% – 60% = 40%. Number of boys = 40% of 50 = 0.40 * 50 = 20.

Exam Relevance

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