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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?13 ÷ 145 × 2
Question

Select the number that will come in the place of the question mark(?), if ‘+’ and ‘ – ‘ are interchanged and ‘×’ and ‘÷’ are interchanged?
13 ÷ 145 × 29 – 69 + 13 = ?​​

A.

129

B.

116

C.

121

D.

113

Correct option is C

​​Given: 13 ÷ 145 × 29 – 69 + 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 sign
+
×
Interchange
–
÷
 New Expression: 13 × 145 ÷ 29 + 69 – 13 = ?
13 × 5 + 69 – 13 = ?
65 + 69 – 13 = ?
134  – 13 = ?
? = 121

Thus, correct option is (c).

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