If the arithmetic mean of 7, 5, 13, x and 9 is 10, then the value of x

1.	If the arithmetic mean of 7, 5, 13, x and 9 is 10, then the value of x is :
A.	0
B.	2
C.	4
D.	6
Answer» E.

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If the arithmetic mean of 7, 5, 13, x and 9 is 10, then the value of x is :

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