Question
In a classroom, the ratio of the number of boys, girls, and
teachers is 5:4:1, respectively, and the average number of people in each category is 50. What is the average number of boys and girls in the classroom?Solution
ATQ,
Let the number of boys in the classroom = ‘5x’
Then, the number of girls in the classroom = ‘4x’
And, the number of teachers in the classroom = ‘x’
According to the question,
So, the average number of boys and girls =
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