In an examination a candidate who gets 30% of the marks fails by 75 marks. But another candidate who gets 42% marks gets 15 marks more than are required for passing. What are the minimum marks required for passing?

30% of Total Marks (TM) + 75 = 42% of Total Marks - 15 or 75 + 15 = 12% of T.M. 12% of T.M. = 90. Total marks =750 Min Pass marks = (30% of 750) + 75 = 225 + 75 = 300

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