The following pie chart shows the marks obtained by a student in an examination, who scored 720 marks in all. Study the diagram and answer the questions given below.
The marks scored in English = $$\frac{60}{360}\times720$$ = 120
The marks scored in Science = $$\frac{75}{360}\times720$$ = 150
difference = 150 - 120 = 30
so the answer is option C.
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