. Average grade of 10 students of a class in 50 the average grade of 20 students
Average grade of 10 students of a class in 50 the average grade of 20 students of a class is 60. What is the combined average of both the classes?
(A):56.67
(B):60.65
(C):70
(D):85
Best Answer
Correct Answer:
(A): 56.67
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