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If ‘+’ means ‘×’, ‘–’ means ‘÷’, ‘×’ means ‘-’, and ‘÷’ means ‘+’, what will come in place of the question mark (?) in the following equation?4 × 5 +
Question

If ‘+’ means ‘×’, ‘–’ means ‘÷’, ‘×’ means ‘-’, and ‘÷’ means ‘+’, what will come in place of the question mark (?) in the following equation?
4 × 5 + 3 ÷ 16 – 1 = ? ​​

A.

10

B.

12

C.

8

D.

5

Correct option is D

Given : 4 × 5 + 3 ÷ 16 – 1 = ?
Given Sign 
+

×
÷
New Sign
×
÷

+

Operation preference wiseSymbolBrackets[],,()Orders,of(power),(root),ofDivision÷Multiplication×Addition+Subtraction\begin{array}{ | c | c | } \hline \textbf{Operation preference wise} & \textbf{Symbol} \\\hline Brackets &[], {}, () \\ \hline Orders, of & (power), √ (root), of \\ \hline Division & ÷ \\ \hline Multiplication & × \\ \hline Addition & + \\ \hline Subtraction & - \\ \hline \end{array}​​

 New equation will be:
= 4 – 5 × 3 + 16 ÷1
= 4 – 5 × 3 + 16
= 4 – 15 + 16
= 16 + 4 – 15
= 20 – 15
= 5
Thus, the correct answer is (d) ​​

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