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Three of four numbers have a sum of 22. If the average of the four numbers is 8, what...
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The average of the four numbers is 8. This gives the sum of all the four numbers as 8*4 = 32.
As the sum of three of the numbers is 22, the fourth number is 32 - 22 = 10.
The correct answer is option d.
Posted by justaguide on March 25, 2013 at 5:18 PM (Answer #1)
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