Question 27

What will come in the place of ‘?’ in the following equation, if ‘+’ and ‘ב are interchanged and also ‘−’ and ‘÷’ are interchanged?

$$4 + 8 \div 4 \times 2 − 2 = ?$$

Solution

The given equation is $$4\ +\ 8\ \ \frac{\ 4}{ }\times\ 2\ -\ 2=?$$ After interchanging + with * - and /
$$4\ \times\ \ 8\ \ \ -\ 4\ +\ 2\ \frac{\ 2}{ }=?$$
$$4\ \times\ 8\ \ \ -\ 4\ +\ 1=?$$
$$32\ -\ 4\ +\ 1=?$$
$$28+\ 1=?$$
$$29$$ hence option D is correct answer.


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