The given pie chart shows the marks obtained in an examination by a student (in degrees). Observe the pie chart and answer the question that follows.
If the total marks are 720, then the difference between the total marks obtained in Physics, Maths and Physical education and the total marks in Chemistry, Biology, and English out of the total marks is:
Solution
Given, total marks = 720
From the pie chart,
Total marks obtained in Physics, Maths, Physical education = $$\frac{70^{\circ}+80^{\circ}+50^{\circ}}{360^{\circ}}\times720$$ = 400
Total marks obtained in Chemistry, Biology, English = $$\frac{45^{\circ}+55^{\circ}+60^{\circ}}{360^{\circ}}\times720$$ = 320
$$\therefore\ $$Required difference = 400 - 320 = 80
Hence, the correct answer is Option C
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