Question 26
What will be the value of the following expression, if ‘$$\times$$’ and ‘-’ are interchanged and ‘+’ and ‘$$\div$$’ are interchanged?
$$200 \div 100 \times 300 \div 200 + 10 − 2 \times 40 = ?$$
Solution
$$\frac{200}{100}\times\ \frac{300}{200}\ +\ 10-2\times\ 40=?$$
$$200+100-300+\frac{200}{10}\times\ 2-40=?$$
$$300-300+\frac{200}{10}\times\ 2-40=?$$
$$0+20\times\ 2-40=?$$
$$0+40-40=?$$
$$0+0=?$$
$$0=?$$
Hence option D is the correct answer
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