What is the value of the following expression?

​$$\frac{[27-(6÷3)×4] + 18}{84 - 8 ÷4×8 - 2}$$​​

Correct option is A

​Solution:

$$\frac{[27-(6÷3)×4] + 18}{84 - 8 ÷4×8 - 2}\\\ \\=\frac{[27-2 ×4] + 18}{84 - 2×8 - 2}\\\ \\=\frac{[27-8] + 18}{84 - 16 - 2} \\\ \\=\frac{19+ 18}{84 - 18}\\\ \\=\frac{37}{66}$$​