Instructions
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.
Solution
method 1:
total marks = 720
720 marks = 360 degrees
1 mark = $$\frac{1}{2}$$ degrees
180 marks = 90 degrees
so the answer is option A.
method 2:
The marks scored in Mathematics = $$\frac{90}{360}\times720$$ = 180
The marks scored in English = $$\frac{60}{360}\times720$$ = 120
The marks scored in Bengali = $$\frac{70}{360}\times720$$ = 140
The marks scored in History = $$\frac{65}{360}\times720$$ = 130
The marks scored in Science = $$\frac{75}{360}\times720$$ = 150
so the answer is option A.
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