Question 11
If ‘$$+$$’ means ‘$$-$$’, ‘$$-$$’ means ‘$$\times$$’, ‘$$\times$$’ means ‘$$\div$$’ and ‘$$\div$$’ means ‘$$+$$’, then what will be the value of the following expression?
$$27 - 2 + 24 \times 8 \div 4$$
Solution
Given expression $$27 - 2 + 24 \times 8 \div 4$$
$$\Rightarrow 27 \times 2 - 24 \div 8 + 4$$ (we chage Sign according to question)
$$\Rightarrow 27 \times 2 - 3 + 4$$
$$\Rightarrow 54 - 3 + 4$$
$$\Rightarrow 54 - 3 + 4$$
$$\Rightarrow 58 - 3 $$
$$\Rightarrow 55 $$ Ans
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