Question
In an exam, Sunil scored 45% marks and failed by 18
marks while Rina scored 90% marks and scored 72 marks more than the passing marks. Find out the passing marks in the exam.Solution
ATQ, Let the maximum marks of the exam be '100x' ATQ: Passing marks of the exam = 100x X 0.45 + 18 = 100x X 0.9 - 72 Or, 45x + 18 = 90x - 72 Or, 45x = 90 Or, x = (90/45) = 2 Therefore, the maximum marks of the exam = 100x = 100x X 2 = 200 Required passing marks = 200 X 0.45 + 18 = 90 + 18 = 108
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