From the figure, the angle of sector in a pie chart representing science students is .

120^{\circ}

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40^{\circ}

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80^{\circ}

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Solution

The correct option is C $80^{\circ}$
Given,
Social Science students = 15
Science students = 10
Mathematics students = 20
Total number of students $= 10 + 20 + 15 = 45$

We know,
$A n g l e = \frac{N u m b e r o f s t u d e n t s i n t h e s u b j e c t}{T o t a l n u m b e r o f s t u d e n t s} \times 360^{\circ}$

For science students,
$A n g l e = \frac{10}{45} \times 360^{\circ} = 80^{\circ}$

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From the figure, the angle of sector in a pie chart representing science students is .

The correct option is C 80∘Given, Social Science students = 15 Science students = 10 Mathematics students = 20 Total number of students =10+20+15=45 We know, Angle=Number of students in the subjectTotal number of students×360∘ For science students, Angle=1045×360∘=80∘