Mathematics · Averages
If the average marks of three distinct classes containing 70, 75, and 80 students are 70, 75, and 80 respectively, find the approximate average marks of all the students combined.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 175.222✓
- 269.222
- 371.222
- 473.222
Correct answer
75.222
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