The average marks of 20 students in a class is 100. But a student mark is wrongly noted as 50 instead of 10 then find the correct average marks?	Choose one
A) 78  B) 82  C) 98  D) 91  E) 85
correct avg marks = 100+(10-50)/20   avg = 100-2= 
<gadget id="calculator">100-2</gadget>
<output>98</output>
98   Answer is 98
<result>C</result>
The average marks of 20 students in a class is 100. But a student mark is wrongly noted as 50 instead of 10 then find the correct average marks?