Mathematics · Average
The average age of 10 students is 15 years. If one more student aged 20 years joins, what will be the new average age?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 116.00 years
- 215.25 years
- 315.33 years
- 415.45 years✓
Correct answer
15.45 years
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