the average marks of 10 students in a class is 100 . but a student mark is wrongly noted as 60 instead of 10 then find the correct average marks ?
"correct avg marks = 100 + ( 10 - 60 ) / 10 avg = 100 - 5 = 95 answer is c"
divide(add(subtract(multiply(100, 10), 60), 10), 10)