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Answer : 1. "54.68 "
If the average marks of three batches of 55, 60 and 45 students respectively is 50, 55 and 60, then the average marks of all the students is?
5Q:
If the average marks of three batches of 55, 60 and 45 students respectively is 50, 55 and 60, then the average marks of all the students is?
- 154.68true
- 253.33false
- 355false
- 4None of thesefalse
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Answer : 1. "54.68 "
Explanation :


