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:

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Question:
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:

1.53.33

2.54.68

3.55

4.None of these

Posted Date:-2022-02-22 12:20:20

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