The average marks of 25 students in a class is 100. But a student mark is wrongly noted as 60 instead of 10 then find the correct average marks?
Answers
A) 78
B) 82
C) 98
D) 91
E) 85

Rationale: "correct avg marks = 100 + ( 10 - 60 ) / 25 avg = 100 - 2 = 98 answer is c"
Answer: C