Q. The mean score in a test of the 10 boys in a class was 15 while the overall mean of the 25 students in the class was 16.2. What was the mean score of the girls?
A) 17
B) 16.8
C) 17.5
D) 16.5
✔ Correct Answer: 17
Exam Insight
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A) 17
B) 16.8
C) 17.5
D) 16.5
✔ Correct Answer: 17
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