Question : Study the given pie chart and answer the question that follows. Percentage-wise distribution of teachers in six different subjects in a school is given in the pie chart. The total number of teachers is 600. The ratio of male and female teachers is 3 : 1.
Find the total number of teachers in Mathematics, Biology, and Social Studies.
Option 1: 320
Option 2: 420
Option 3: 360
Option 4: 400
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Correct Answer: 360
Solution :
From the Pie chart,
⇒ Total number of Mathematics teachers = 20% of the total number of teachers
$=\frac{20}{100} \times 600=120$
⇒ Total number of Biology teachers = 20% of the total number of teachers
$=\frac{20}{100} \times 600=120$
⇒ Total number of Social Studies teachers = 20% of the total number of teachers
$=\frac{20}{100} \times 600=120$
⇒ Total number of Mathematics, Biology, and Social Studies teachers = $120+120+120 = 360$
Hence, the correct answer is 360.
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