Examine whether the following statements are true or false :

$\{ a,b\}  \not\subset \{ b,c,a\} $

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False. Each element of $\{a, b\}$ is also an element of $\{b, c, a\}$

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  • [JEE MAIN 2021]

Write the set $\left\{\frac{1}{2}, \frac{2}{3}, \frac{3}{4}, \frac{4}{5}, \frac{5}{6}, \frac{6}{7}\right\}$ in the set-builder form.