The average of 5 numbers is 6. The average of 3 of them is 8. What is the average of the remaining two?

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May 10, 2016

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#3#

Explanation:

Given that the average of #5# numbers is #6#, their sum is #5xx6=30#.

Given that the average of the #3# selected numbers is #8#, their sum is #3xx8 = 24#.

So the remaining two numbers add up to #30-24 = 6# and their average is #6/2 = 3#

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