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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What will be the value of the following expression, if ‘$$\times$$’ and ‘-’ are interchanged and ‘+’ and ‘$$\div$$’ are interchanged?$$200 \div 100 \times 300 \div 200 + 10 − 2 \times 40 = ?$$