Yadi isi number ka teen chutai 27ho to usaka satva bhag kya hoga

Dear Student,
As per your question,
$$\begin{gathered} \frac{3x}{4}=27 \\ i.e x=\frac{27\times 4}{3}=36 \end{gathered}$$
$\frac{1}{7}\times 36=5.14$
Hence your answer is approximately 5 (Option a)
Regards.