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If ‘+’ means ‘–’, ‘–’ means ‘÷’, ‘×’ means ‘+’, and ‘÷’ means ‘×’, what will be the value of the following expression? 16 × 9 + 5 ÷ 4 – 2 = ?
Question

If ‘+’ means ‘–’, ‘–’ means ‘÷’, ‘×’ means ‘+’, and ‘÷’ means ‘×’, what will be the value of the following expression?
16 × 9 + 5 ÷ 4 – 2 = ?

A.

20

B.

15

C.

40

D.

35

Correct option is B

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:
16 × 9 + 5 ÷ 4 – 2 = ?
Sign
+
-
×
÷
Means
-
÷
+
×
After using the sign equation will be: 
16 + 9 – 5 × 4 ÷ 2 = ?
? = 16 + 9 – 5 × 2 = ?
? = 16 + 9 – 10 = ?
? = 25 – 10 = ?
?  = 15
The final answer is 15.
Thus, the correct option is: (b)​​

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