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In a class of 50 students 10 have failed and their average of marks is `2.5` . The total marks secured by the entire class were 281. Find the average marks those who have passed. |
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Answer» Given: N = 50, Failed Students = 10 Mean marks of those who failed = `2.5` Total marks secured by the entire class = 281 Total marks obtained by those who have passed = 281 - 25 = 256 Average marks obtained by those who have passed = `(256)/40 = 6.4` Average marks obtained by those who have passed = `6.4`. |
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