Mathematics
Medium
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:
A
53.33
B
54.68
✓ Official correct answer
C
55
D
None of these
Community credibility
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A
53.33
No member explanations yet for this option.
B
54.68
No member explanations yet for this option.
C
55
No member explanations yet for this option.
D
None of these
No member explanations yet for this option.