Anwesha's marks in a class text of Sanskrit were incorrectly entered as 99 instead of 66. If there are 55 students in the class, then what is the increment in the average marks of the class in Sanskrit because of this typing error?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is Option 3 i.e. 0.6.
Error in the marks entered = 99 - 66 = 33
Increment in the average = Error in marks enetered/Total students = 33/55 = 3/5 = 0.6