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    If we interchange “+” with “–” and “÷” with “×”, then what is the value of the below expression? 39 × 3 + 10 – 13 ÷ 2
    Question

    If we interchange “+” with “–” and “÷” with “×”, then what is the value of the below expression?
    39 × 3 + 10 – 13 ÷ 2

    A.

    3

    B.

    17

    C.

    29

    D.

    31

    Correct option is C

    Given: 39 × 3 + 10 – 13 ÷ 2
    Original
    +
    ÷
    New

    ×
    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}
    After changing the mathematical operation new equation will be-
    39 ÷ 3 – 10 + 13 × 2
    = 13 – 10 + 13 × 2
    = 13 – 10 + 26
    =  39 – 10
    = 29
    Thus, the correct answer is (c).

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