Question
Ravi scored 50% more in Economics than in Accountancy. If
the average of his marks in Economics, Accountancy, and Business Studies is 88 and his marks in Business Studies is 94, find his marks in Accountancy.Solution
ATQ,
Total marks scored by Ravi in Economics, Accountancy, and Business Studies = 88 × 3 = 264
So, marks in Economics and Accountancy = 264 – 94 = 170
Let the marks in Accountancy be ‘x’.
So, marks in Economics = 1.5x
So, x + 1.5x = 170
2.5x = 170
x = 170 / 2.5
x = 68
So, marks obtained by Ravi in Accountancy = 68 marks
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