If the average marks of three batches of 55, 60 and 45 students respectively is 50, 55, 60, then the average marks of all the students is: | MCQ Hive

Mathematics Mcqs

Q If the average marks of three batches of 55, 60 and 45 students respectively is 50, 55, 60, then the average marks of all the students is:

A A. 53.33
B B. 54.68
C C. 55
D D. None of these

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