Directions: Each of the following questions consists of 3 statements A, B, and C. You have to determine that which of the following statement/statements are not necessary to answer the question.
Is the total number of students in class is 14?
I. Average marks of all the student in the class is 70
II. Average marks of 7 students is 80
III. Average marks of the remaining student is 60
1
Only statement I
2
Statement I and statement III
3
Only statement II
4
None of these
5
Statement II and statement III