Question 18

If $$+$$ means $$-$$, $$-$$ means $$\times$$, $$\times$$ means $$\div$$, and $$\div$$ means $$+$$, then what will be the value of following expression?
$$13 - 3 + 15 \times 3 \div 5 = ?$$

Solution

From the question,

$$+$$ means $$-$$, $$-$$ means $$\times$$, $$\times$$ means $$\div$$ , $$\div$$ means $$+$$ then

$$13-3 + 15\times 3\div 5$$

Now substituting the symbol as per the given question,

$$\Rightarrow 13\times 3 - 15 \div 3 + 5 $$

$$\Rightarrow 39 - 5 + 5 $$

$$\Rightarrow 44 -5 $$

$$\Rightarrow 39 $$ Ans

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If $$+$$ means $$-$$, $$-$$ means $$\times$$, $$\times$$ means $$\div$$, and $$\div$$ means $$+$$, then what will be the value of following expression?$$13 - 3 + 15 \times 3 \div 5 = ?$$