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Study the given histogram that shows the marks obtained by students in an examination and answer the question that follows. If the total marks obtained by students be represented as a pie chart, then the central angle corresponding to marks 250 or more but less than 300 is: (correct to the nearest degree)

Study the given histogram that shows the marks obtained by students in an examination and answer the question that follows. If the total marks obtained by students be represented as a pie chart, then the central angle corresponding to marks 250 or more but less than 300 is: (correct to the nearest degree) Correct Answer 88°

Calculation:

Total marks obtained by student = 30 + 45 + 60 + 35 + 40 +35

⇒ Total marks obtained by student = 245

And marks corresponding to 250 or more but lesser than 300 = 60

But 245 marks represents 360°

⇒ 1 mark = 360° /245

⇒ 60 marks = (360° /245) × 60

⇒ 60 marks = 88.16°

∴ The nearest value for marks corresponding to 250 or more but lesser than 300 is 88° .

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