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Which two numbers (not digits) and which two signs should be interchanged to make the following equation correct?33 – 15 × 4 + 9 ÷ 11 = 6​​
Question

Which two numbers (not digits) and which two signs should be interchanged to make the following equation correct?
33 – 15 × 4 + 9 ÷ 11 = 6​​

A.

11 and 15; – and ÷

B.

4 and 11; + and ÷

C.

15 and 33; × and ÷

D.

9 and 15; – and ×

Correct option is A

Given: 
33 – 15 × 4 + 9 ÷ 11 = 6​​
​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} ​​
Option  A) Interchange 11 and 15; – and ÷
New Expression: 33 ÷ 11 × 4 + 9 – 15 = 6
3 × 4 + 9 –15 = 6
12 + 9 –15 = 6
21 –15 = 6
6 = 6 (Follows)

Thus, correct option is (a).





​

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