$\dfrac{1}{7}$ has decimal expansion that is

$\dfrac{1}{7}$ has decimal expansion that is
  1. non-terminating recurring
  2. terminating
  3. non-terminating non-recurring
  4. finite with $7$ digits

Solution

$7$ is prime and not $2$ or $5$, so $\dfrac{1}{7} = 0.\overline{142857}$.

Asked in: MH-SSC-9

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