In the following number series,one of the numbers does not fit into the series. Identify the wrong number in the series.
$5 \quad 7.5 \quad 11.25 \quad 17.5 \quad 29.75 \quad 50 \quad 91.25$

  • A
    $7.5$
  • B
    $17.5$
  • C
    $29.75$
  • D
    $91.25$

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