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What will come in place of the question mark (?) in the following equation if ‘a’ means ‘÷’, ‘b’ means ‘+’, ‘c’ means ‘−’ and ‘d’ means ‘×’?11 b 15 c

Question

What will come in place of the question mark (?) in the following equation if ‘a’ means ‘÷’, ‘b’ means ‘+’, ‘c’ means ‘−’ and ‘d’ means ‘×’?
11 b 15 c 8 a 4 d 5 = ?

14

15

17

16

Solution

Correct option is D

Given: 11 b 15 c 8 a 4 d 5 = ?

\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}

Alphabet	a	b	c	d
Sign	÷	+	−	×

New Expression: 11 + 15 − 8 ÷ 4 × 5 = ?

11 + 15 − 2 × 5 = ?

11 + 15 − 10 = ?

26 − 10 = ?

? = 16

Thus, correct option is (d).

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What will come in place of the question mark (?) in the following equation if ‘a’ means ‘÷’, ‘b’ means ‘+’, ‘c’ means ‘−’ and ‘d’ means ‘×’?
11 b 15 c 8 a 4 d 5 = ?

14

15

17

16

Correct option is D