The average marks of a student in seven subjects is 41. after reevaluation in one subject the marks were changed to 42 from 14 and in remaining subjects the marks remain unchanged. what are the new average marks?
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45
Step-by-step explanation:
We are given that the average of average marks of a student in seven subjects is 41.
So, sum of all marks = 287
Now we are given that after reevaluation in one subject the marks were changed to 42 from 14
So, new sum of marks = 287-14+42 =315
So,
Hence the new average of marks is 45
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