\begin { equation } \begin{array}{l}{\text { Which of the following is – InterviewSolution

1.

\begin { equation } \begin{array}{l}{\text { Which of the following is an irrational number? }} \\ {\text { (a) } \frac{5}{7}}\end{array} \end { equation }

Answer»

b) √7 is irrational.

Reason : √7 can't be written as p/q form

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