In a class of 50 students the average marks in an examination was 48 However after scrutiny it was f...........

Quantitative Aptitude (PCS) Average

In a class of 50 students, the average marks in an examination was 48. However, after scrutiny, it was found that one student who scored 67 was awarded 37 by mistake, and another student who scored 73, was also awarded 37 by mistake. What should have been the actual average marks in that examination ?

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PCS Previous year General Studies paper (2018)

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51.60

49.32

50.66

46.68

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Explanation:

Student scored 67 was awarded 37
and scored 73, was also awarded 37 by mistake
total correction=140-74=66
average correction= 66/50=1.32
average=48+1.32=49.32