Mathematics · Average
Average marks in Mathematics of Section A comprising 30 students is 65 and that of Section B comprising 35 students is 70. What are the average marks (approximately) of both the sections combined if it was detected later that an entry of 47 marks was wrongly made as 74?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 167.28✓
- 267.58
- 368.11
- 468.63
Correct answer
67.28
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