The average of 5 quantities is 6. The average
of 3 of them is 4. What is the average of
remaining 2 numbers?
(AT 9
(B) 10
(C) 8
(D) 9.5
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Step-by-step explanation:
Given that the average of 5 numbers is 6 , their sum is 5×6= 30 . Given that the average of the 3 selected
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