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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? 5 + 3 × 2
Question

What will come in place of the question mark (?) in the following equation if ‘+’ and ‘×’ are interchanged and ‘−’ and ‘÷’ are interchanged?
5 + 3 × 2 ÷ 10 − 5 = ?

A.

12

B.

10

C.

13

D.

15

Correct option is D

Given: 5 + 3 × 2 ÷ 10 − 5 = ?
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} ​​
Sign
+

Interchanged
×
÷
 New Equation: 5 × 3 + 2 − 10 ÷ 5 = ?
5 × 3 + 2 − 2 = ?
15 + 2 − 2 = ?
17 − 2 = ?
? = 15 
Thus, correct option is (d).


 

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