Which has a non-terminating recurring decimal expansion?

Which has a non-terminating recurring decimal expansion?
  1. $\dfrac{2}{11}$
  2. $\dfrac{3}{8}$
  3. $\dfrac{7}{20}$
  4. $\dfrac{9}{25}$

Solution

Denominator $11$ has prime factor other than $2$ and $5$, so non-terminating recurring.

Asked in: MH-SSC-9

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