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What will come in place of the question mark (?) when ‘+’ and ‘–’ are interchanged? 8 – 3 × 4 + 16 ÷ 2 = ?
Question

What will come in place of the question mark (?) when ‘+’ and ‘–’ are interchanged?
8 – 3 × 4 + 16 ÷ 2 = ?

A.

12

B.

11

C.

10

D.

14

Correct option is A

Operation preference wiseSymbolBrackets[],,()Orders, of(power),(root),ofDivision÷Multiplication×Addition+Subtraction\begin{array}{|c|c|} \hline\textbf{Operation preference wise} & \textbf{Symbol} \\\hline\text{Brackets} &[],{}, () \\ \hline \text{Orders, of} & (power), √ (root) , of \\ \hline \text{Division}& ÷ \\ \hline \text{Multiplication} & × \\ \hline \text{Addition} & + \\ \hline \text{Subtraction} & - \\\hline\end{array}​​
Given:
8 – 3 × 4 + 16 ÷ 2 = ?
Sign
+
Interchanged
-
After interchanged the sing we get following equation:
8 + 3 × 4 – 16 ÷ 2 = ?
? = 8 + 3 × 4 – 8 = ?
? = 8 + 12 – 8 = ?
? = 20 – 8 = ?
? = 12
So, the final answer is 12.
Thus, the correct option is: (a)​​

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