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What will come in place of the question mark (?) in the following equation if ‘+’ and ‘÷’ are interchanged and ‘×’ and ‘−’ are interchanged? 3 ÷ 4
Question

What will come in place of the question mark (?) in the following equation if ‘+’ and ‘÷’ are interchanged and ‘×’ and ‘−’ are interchanged?
3 ÷ 4 − 5 × 6 + 2 = ?

A.

20

B.

22

C.

19

D.

18

Correct option is A

Given: 3 ÷ 4 − 5 × 6 + 2 = ?
Sign
+
×
Interchange
÷

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} ​​

 New Equation: 3 +  4 × 5 - 6 ÷ 2 = ?
3 +  4 × 5 - 3 = ?
3 +  20 - 3 = ?
23 - 3 = ?
? = 20 

Thus, correct option is (a).




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