Mathematics · Averages
In a school, class 11th has three sections: A, B, and C. There are 30 students in Section A, 36 students in Section B, and 40 students in Section C. The average marks scored by the students in Section A, Section B, and Section C in the Mathematics annual exam a re 90, 85, and 70, respectively. Find the average marks scored by the whole class, correct to tw o decimal places.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 180.75✓
- 258.70
- 380.57
- 458.07
Correct answer
80.75
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