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What will come in the place of the question mark (?) in the following equation, if ‘+’ and ‘−‘ are interchanged and ‘×’ and ‘÷’ are interchanged?
Question

What will come in the place of the question mark (?) in the following equation, if ‘+’ and ‘−‘ are interchanged and ‘×’ and ‘÷’ are interchanged?
127 ÷ 7 + 324 × 4 − 47 =?​

A.

855

B.

755

C.

795

D.

885

Correct option is A

Given: 127 ÷ 7 + 324 × 4 − 47 = ?
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
+
×
Interchange

÷
New Expression: 127 × 7 − 324 ÷ 4 + 47 = ?
127 × 7 − 81 + 47 = ?
127 × 7 − 81 + 47 = ?
889 − 81 + 47 = ?
889 − 81 + 47 = ?
936 − 81 = ?
? = 855
Thus, correct option is (a).

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