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If '+' means 'division', '–' means 'multiplication', '×' means 'addition' and '÷' means 'subtraction', then find the value of72 + 8 – 3 × 6 ÷ 2.
Question

If '+' means 'division', '–' means 'multiplication', '×' means 'addition' and '÷' means 'subtraction', then find the value of
72 + 8 – 3 × 6 ÷ 2.

A.

31

B.

71

C.

7

D.

-1

Correct option is A

Given: 72 + 8 – 3 × 6 ÷ 2.
 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}
Old signs
+

×
÷
New Signs
÷
×
+
-
After interchanging the symbols in the given equation:
72 + 8 – 3 × 6 ÷ 2.
72 ÷ 8 × 3 + 6 - 2
9 × 3 + 6 - 2
27 + 6 - 2
33 - 2 
31.
Thus, the correct option (A) 31.

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