Multiple choice

Which of the following fractions has a non-terminating repeating decimal expansion?

  1. $\frac{1}{5}$
  2. $\frac{1}{2}$
  3. $\frac{1}{5}$
  4. $\frac{1}{20}$
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The denominator of $\frac{1}{6}$ is 6, which is not of the form 2n 5m (0 $\leq$ n, m < $\infty$). So its decimal expansion is non-terminating and repeating. $\frac{1}{6}= 0.1666...$

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