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If + means −, − means ×, × means ÷ and ÷ means +, then what will come in place of the question mark (?) in the following equation? 75 × 5 + 11 − 2 ÷
Question

If + means −, − means ×, × means ÷ and ÷ means +, then what will come in place of the question mark (?) in the following equation?
75 × 5 + 11 − 2 ÷ 18 = ?

A.

21

B.

17

C.

26

D.

11

Correct option is D

Given:
+ → −, − → ×, × → ÷, ÷ → +
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} ​​
Expression:
75 × 5 + 11 − 2 ÷ 18
After replacing symbols:
75 ÷ 5 − 11 × 2 + 18
One continuous BODMAS process:
75 ÷ 5 − 11 × 2 + 18
= 15 − 11 × 2 + 18
= 15 − 22 + 18
= −7 + 18
= 11
Thus, correct option is (D).

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