Question 74
The pie-chart shows the percentage-wise distribution of the number of students in five different schools P, Q, R, S and T. The total number of students in all five schools together is 10,500.
Study the pie-chart and answer the question.
The number of students in school R is what per cent of the total number of students in schools Q and T together?
Solution
Given, total number of students in all schools = 10,500
From the pie-chart,
Number of students in school R = $$\frac{12}{100}\times10500=1260$$
Number of students in school Q and T together = $$\frac{16+24}{100}\times10500=\frac{40}{100}\times10500=4200$$
$$\therefore\ $$Required percentage = $$\frac{1260}{4200}\times100=$$ 30%
Hence, the correct answer is Option D
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