Comprehension

Study the following Pie Chart and answer the questions that follow: Total number of teachers are 1800, teach different subjects

Question: 1

What is the total number of teachers teaching Chemistry, English, and Biology?

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Add relevant category percentages and multiply by total to find combined values from pie charts.
Updated On: Aug 11, 2025
  • 1226
  • 1116
  • 1176
  • 998
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The Correct Option is B

Solution and Explanation

From the pie chart:

Chemistry = 23%
English = 27%
Biology = 12%

Total percentage = \( 23 + 27 + 12 = 62% \) Total number of teachers = 1800 \[ \text{Required number} = \frac{62}{100} \times 1800 = \boxed{1116} \]
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Question: 2

What is the respective ratio of the number of teachers who teach Mathematics and the number of teachers who teach Hindi?

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For percentage ratio questions, just compare the raw percentages directly.
Updated On: Aug 11, 2025
  • 13:7
  • 7:13
  • 7:26
  • 8:15
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collegedunia
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The Correct Option is A

Solution and Explanation

From the pie chart:

Mathematics = 13%
Hindi = 7%

So the ratio = \(13 : 7\) \[ \boxed{13:7} \]
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