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What will come in the place of the question mark (?) in the following equation, if ‘+’ and '-' are interchanged and ‘×’ and ‘÷’ are interchanged?
Question

What will come in the place of the question mark (?) in the following equation, if ‘+’ and '-' are interchanged and ‘×’ and ‘÷’ are interchanged?
24 ÷ 10 + 68×2 – 16 = ?

A.

242

B.

222

C.

252

D.

232

Correct option is B

Given: ​24 ÷ 10 + 68×2 – 16
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}​​
After interchanging:
=24 × 10 - 68÷2 + 16
= 24 × 10 - 34 + 16 
= 240 - 34 + 16 
= 256 - 34 
= 222
Thus, correct option is (b).

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