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Question

The mean of 6, 8, x+2, 10, 2x-1 and 2 is 9. Find the value of x.


  1. 40

  2. 30

  3. 50

  4. 60


Solution

The correct option is A

40


 6 + x+2 + 10 + 2x1 + 8 + 2 6 = 9

27+3x6=9
27+3x = 54
x = 9​​​​​​​

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