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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? 3
    Question

    What will come in the place of the question mark (?) in the following equation, if ‘+’ and ‘−’ are interchanged and ‘×’ and ‘÷’ are interchanged?
    304 × 19 − 101 + 23 ÷ 5 = ?

    A.

    21

    B.

    12

    C.

    2

    D.

    6

    Correct option is C

    Given304 × 19 − 101 + 23 ÷ 5 = ?
    Operation preference wiseSymbolBrackets[],,()Orders,of(power),(root),ofDivision÷Multiplication×Addition+Subtraction\begin{array}{ | c | c | } \hline \textbf{Operation preference wise} & \textbf{Symbol} \\\hline Brackets &[], {}, () \\ \hline Orders, of & (power), √ (root), of \\ \hline Division & ÷ \\ \hline Multiplication & × \\ \hline Addition & + \\ \hline Subtraction & - \\ \hline \end{array}
    Sign
    +
    ×
    Interchange

    ÷
    New Equation: 304 ÷ 19 + 101 − 23 × 5 = ?
    ? = 16  + 10123 ×5
    ? =16  + 101- 115
    ? = 117 - 115 
    ? = 2 
    Thus, correct option is (c).

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