Mathematics · Averages
The average marks of 15 students in a science practical exam were 64. Later, it was found that the mark of one student was wrongly recorded as 58 instead of 85. After correcting this mistake, a new student joins whose marks are 10% more than the new corrected average. What is the final average of the entire group?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 166.13
- 266.21✓
- 366.33
- 465.80
Correct answer
66.21
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