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If '×' means '+', '+' means '÷', '–' means '×', and '÷' means '–', then find the value of 16 × 15 + 5 – 2 ÷ 4.​​
Question

If '×' means '+', '+' means '÷', '–' means '×', and '÷' means '–', then find the value of
16 × 15 + 5 – 2 ÷ 4.​​

A.

26

B.

16

C.

22

D.

18

Correct option is D

Given: 16 × 15 + 5 – 2 ÷ 4 
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}​​
Substitute the given operators with their new meanings
'×' means '+'
'+' means '÷'
'–' means '×'
'÷' means '–'
So, rewriting the expression:
16×15+5–2÷4
Becomes:
16+15÷5×2-4
16 + 3 × 2- 4
16 + 6 - 4 
22-4
18.
Thus, the correct option is (d) 18.

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