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    What will come in the place of '? in the following equation, if '+' and '-' are interchanged and '×' and '÷' are interchanged?357 × 7 + 19 ÷ 2 - 38 =
    Question

    What will come in the place of '? in the following equation, if '+' and '-' are interchanged and '×' and '÷' are interchanged?
    357 × 7 + 19 ÷ 2 - 38 = ?

    A.

    51

    B.

    71

    C.

    61

    D.

    41

    Correct option is A

    Given
    357 × 7 + 19 ÷ 2 - 38 = ?
    '+' and '-' are interchanged
    '×' and '÷' are interchanged
    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}​​
    357 × 7 + 19 ÷ 2 - 38 = ?
    After Interchanging the sign we get following equation - 
    357 ÷ 7 - 19 × 2 + 38 = ?
    51 - 19 × 2 + 38 = ?
    51 - 38 + 38 = ?
    51 = ?
    Correct answer is (a) 51.

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