A scored 42% marks and failed by 62 marks whereas B scored 72% marks, which was 90 more than the passing marks of the examination. Find the total marks of the examination.
Let the total available marks in the examination be 100x. Marks scored by A = 42% of 100x = 42x Marks scored by B = 72% of 100x = 72x According to question, => 42x + 60 = 72x – 90 => 30x = 150 => x = 5 Total marks of the examination = 100x = 500
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