Question 41

$$ 72 \div \frac{1}{2} $$ { 15 + 12 - (9 + 6 - $$ \overline{5+7}$$ )} = ?

Solution

$$ 72 \div \frac{1}{2} $$ { 15 + 12 - (9 + 6 - $$ \overline{5+7}$$ )}

= $$ 72 \div \frac{1}{2}$$ { 15 + 12 - (15 - 12 )}

= $$ 72 \div \frac{1}{2}$$ { 27 - 3 }

= $$ \frac{72}{\frac{1}{2} \times 24}$$

= 6

So , the answer would be option a)6.

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