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Question: The average mark obtained by 15 students was 10 and the average mark obtained by 10 students was 15. What was the average mark obtained by all students?
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Question: The average mark obtained by 15 students was 10 and the average mark obtained by 10 students was 15. What was the average mark obtained by all students?
Question 1: The average mark obtained by 15 students was 10 and the average mark obtained by 10 students was 15. What was the average mark obtained by all students?
View topic: গড় (Average)
10
8
12
15
Source: Sonali, Janata, Agrani -; Rupali Bank Ltd. -; RAKUB Officer Recruitment 28.03.2008
Answer
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Answer: 12
Explanation:
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