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in Aptitude by (138k points)

The average marks of a student in seven subjects is 41. After re-evaluation in one subject the marks were changed to 42 from 14 and in remaining subjects the marks remain unchanged. What is the new average marks? 

(a) 45 (b) 44 (c) 46 (d) 47 (e) None of these

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The average marks of a student in seven subjects is 41. 

(a) New average marks = (7x41-14+42) /7

=(287+28)/7 =315/7 =45

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