Aptitude - Averages - Discussion

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

Answer: Option B
Explaination:

 


Discussion

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