The value of 30 – (3 × 4 + 15 ÷ 3) + 8 $$\times$$​ 3 ÷ 6 is:

Correct option is D

Given:

30 – (3 × 4 + 15 ÷ 3) + 8 $$\times$$​​3 ÷ 6​

Concept Used:

​$$\begin{array}{|c|c|} \hline \textbf{Operation preference wise} & \textbf{Symbol} \\\hline\text{Brackets} &[],{}, () \\ \hline \text{Orders, of} & ^x(power), √ (root) , of \\ \hline \text{Division}& ÷ \\\hline \text{Multiplication} & × \\ \hline \text{Addition} & + \\ \hline \text{Subtraction} & - \\\hline\end{array}$$

Solution:

​30 – (3 × 4 + 15 ÷ 3) + 8 $$\times$$​​​3 ÷ 6

= 30 – (3 × 4 + 5) + 8 $$\times$$​​​​3 ÷ 6

= 30 – 17 + 8 $$\times$$​​​​​3 ÷ 6

= 30 – 17 + 8 $$\times$$$$\frac 12$$

= 30 - 17 + 4

= 34 -17 =17