Question
A student scored 72 marks out of 90 in Mathematics and 64 marks out of 80 in Science. What is his overall percentage?
Solution
Total marks obtained = 72 + 64 = 136 Total maximum marks = 90 + 80 = 170 Percentage = (136 ÷ 170) × 100 = (136 × 100) ÷ 170 = (136 × 10) ÷ 17 = 1360 ÷ 17 = 80
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