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What will come in the place of ‘?’ in the following equation, if ‘+’ and ‘–’ are interchanged and also ‘×’ and ‘÷’ are interchanged? 154 × 11 - 24 ÷
Question

What will come in the place of ‘?’ in the following equation, if ‘+’ and ‘–’ are interchanged and also ‘×’ and ‘÷’ are interchanged?
154 × 11 - 24 ÷ 3 + 19 = ?

A.

62

B.

67

C.

71

D.

54

Correct option is B

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:
154 × 11 - 24 ÷ 3 + 19 = ?
Sign
+
×
Interchanged
-
÷
After interchanged the sign equation will be: 
154 ÷ 11 + 24 × 3 − 19 = ? 
? = 14 + 24 × 3 − 19
? = 14 + 72 - 19
? = 86 - 19
? = 67
Thus, the correct option is: (b)

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