The average of 5 quantities is 10 and the average of 3 of them is 9. What is the average of the remaining 2?
Submitted by: Administrator1. 11
2. 12
3. 11.5
4. 12.5
Ans : C
Submitted by: Administrator
2. 12
3. 11.5
4. 12.5
Ans : C
Submitted by: Administrator
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