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Estimation Using Percentages in Situations

In a class of...

Question

In a class of 25 students, there are 15 boys. What is the percentage of girls in this class?

A

20%

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B

50%

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C

40%

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D

80%

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Solution

The correct option is C
40%

The class strength is 25.
Out of 25 students, 15 are boys.
Thus, number of girls = 25 - 15 = 10
Therefore, percentage of girls in the class is:
$\frac{10}{25} \times 100 = 40 %$

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