If the arithmetic mean of 1,2,3,4,5,6,x, 16 and 18 is 8.0, find the value of…

If the arithmetic mean of 1,2,3,4,5,6,x, 16 and 18 is 8.0, find the value of x?
  • A.
    7.0
  • B.
    6.0
  • C.
    8.5
  • D.
    8.0
Correct Answer: Option A
Explanation
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