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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? 14 ÷ 3
Question

What will come in place of the question mark (?) in the following equation if ‘+’ and ‘−‘ are interchanged and ‘×’ and ‘÷’ are interchanged?
14 ÷ 3 − 15 × 5 + 5 = ?

A.

42

B.

40

C.

43

D.

41

Correct option is B

Given:
14 ÷ 3 − 15 × 5 + 5 = ?
Rule:
+ ↔ −
× ↔ ÷
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}
Step-by-step:
14 ÷ 3 − 15 × 5 + 5
→ 14 × 3 + 15 ÷ 5 − 5
Now calculate:
14 × 3 = 42
15 ÷ 5 = 3
42 + 3 − 5 = 40
Final Answer:
40
Final Correct Option:
B

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