A) 67
B) 68
C) 69
D) 71
Correct Answer: C
Solution :
Total marks of 14 students \[=14\times 71\] \[=994\] New total marks of students \[=994-42-74+56+32\] \[=966\] \[\therefore \] New average of marks \[=\frac{966}{14}=69\]You need to login to perform this action.
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