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by harsh.champ » Wed Feb 17, 2010 5:10 am
The average of 5 quantities is 6. The average of 3 of them is 8. What is the average of the remaining two numbers?

A. 6.5
B. 4
C. 3
D. 3.5
E. 4.5

The OA is C.
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by ajith » Wed Feb 17, 2010 5:45 am
harsh.champ wrote:The average of 5 quantities is 6. The average of 3 of them is 8. What is the average of the remaining two numbers?

A. 6.5
B. 4
C. 3
D. 3.5
E. 4.5

The OA is C.
Average of 5 nums = 6
sum of these 5 nums = 30

average of 3 nums = 8
sum of these 3 numbs = 24

Sum of the other 2 nums = 30-24 =6
average of these 2 nums = 6/2 =3
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by shashank.ism » Wed Feb 17, 2010 6:01 am
harsh.champ wrote:The average of 5 quantities is 6. The average of 3 of them is 8. What is the average of the remaining two numbers?

A. 6.5
B. 4
C. 3
D. 3.5
E. 4.5

The OA is C.
total of 5 quantities = 5 x6 = 30
toatl of 3 quantities = 3x8 = 24
total of remaining 2 quantities = 30-24 = 6, avg. = 6/2 =[spoiler]3 Ans C
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