Question 63

Find the value of $$225-[42-\left\{25-(18-\overline{18+13})\right\}]$$.

Solution

$$225-[42-\left\{25-(18-\overline{18+13})\right\}]=225-[42-\left\{25-(18-31)\right\}]$$

$$=225-[42-\left\{25-(-13)\right\}]$$

$$=225-[42-\left\{25+13\right\}]$$

$$=225-[42-38]$$

$$=225-4$$

$$=221$$

Hence, the correct answer is Option D

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