Mathematics · Average
There are 50 boys in a class whose average age is 12 years. There are 40 boys in another class whose average age is 15 years. What is the average age of both classes taken together?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 112 years 8 months
- 213 years 4 months✓
- 313 years 8 months
- 412 years
Correct answer
13 years 4 months
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