A scored 45% marks and failed by 55 marks whereas B scored 75% marks, which was 80 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 = 45% of 100x= 45x Marks scored by B = 75% of 100x= 75x According to question, => 45x + 55 = 75x – 80 => 30x = 135 => x = 4.5 Total marks of the examination = 100x = 450
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