If $x, y, z$ are three positive numbers in $G.P.$,then $\frac{1 + \ln x}{2}, \frac{1 + \ln y}{4}, \frac{1 + \ln z}{8}$ are in

  • A
    $A.P.$
  • B
    $G.P.$
  • C
    $H.P.$
  • D
    $A.G.P.$

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