GATE 2014 · Set-3
The table below has question-wise data on the performance of students in an examination. There is no negative or partial marking. Q No. Marks Answered Correctly Answered Wrongly Not Attempted 1 2 21 17 6 2 3 15 27 2 3 2 23 18 3 What is the average of the marks obtained by the class in the examination?