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Pie Chart

Answer the qu...

Question

Answer the question for the following pie chart.

If 400 students took the test, how many students scored grade C?

A

50

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B

40

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C

60

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D

20

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Solution

The correct option is B
40

Using 400 -> 100%, then ? marks -> 10%. So we have to find the marks scored for 10%.

Marks = $\frac{400 \times 10}{100}$ = 40

So, 40 students scored C grade in the exam.

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