If the average of 31, x, 42, 39, 56, 78, 83 and 91 is 58.5, then what – McqOptions

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1.	If the average of 31, x, 42, 39, 56, 78, 83 and 91 is 58.5, then what is the value of x?_x005F_x000D_
A.	26
B.	34
C.	58
D.	48
Answer» E.

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