What is the average percentage of marks obtained by all the students in subject T?
65.6
66.5
65.4
None of these
Required average percentage -
=64+56+58+72+77+686=3956=65.83
What is the difference between the percentage marks obtained by student C in English and the average percentage marks of all the six subjects?
What is the average marks obtained out of 80 by all the six students together in subject ‘Q’?