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Let the maximum marks of the exam be ‘100x’ Marks scored by Cheenu = 100x × 0.48 = ‘48x’ Marks scored by Meenu = 100x × 0.68 = ‘68x’ According to question: 48x + 72 = 68x – 48 Or, 68x – 48x = 72 + 48 Or, 20x = 120 Or, x = 6 Therefore, maximum marks of the exam = 100x = 100 × 6 = 600 Hence, option e.
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