The mean marks secured by student in five subject is 75 if one more subject in which he is your 72 marks his interview tips calculate the new mean
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Answer:
total marks: 75 × 5 = 375
divide 375 ÷ 6(total subjects) = 62.5
so, new mean is 62.5.....
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Answer:
75*5=375
375+72=447
447/6=74.5
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