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Select the number that will come in the place of the question mark (?) if ‘+’ and ‘–’ are interchanged and ‘×’ and ‘÷’ are interchanged.42 × 7 ÷ 13 –
Question

Select the number that will come in the place of the question mark (?) if ‘+’ and ‘–’ are interchanged and ‘×’ and ‘÷’ are interchanged.
42 × 7 ÷ 13 – 67 + 13 = ?​​

A.

121

B.

129

C.

145

D.

132

Correct option is D

​​
Given: 42 × 7 ÷ 13 – 67 + 13 = ?
​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: 42 ÷ 7 × 13 + 67 – 13 = ?
6 × 13 + 67 – 13 = ?
78 + 67 – 13 = ?
145 – 13 = ?
? = 132

Thus, correct option is (d).










​

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