Question 66

What should come in place of the question mark (?) in the following question?
$$1 - [5 - \left\{2 + (-5 + 6 - 2)2\right\}] = ?$$

Solution

Expression : $$1 - [5 - \left\{2 + (-5 + 6 - 2)2\right\}] = ?$$

= $$1 - [5 - \left\{2 + (-1\times2)\right\}]$$

= $$1 - [5 -(2-2)]$$

= $$1-(5-0)$$

= $$1-5=-4$$

=> Ans - (D)

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What should come in place of the question mark (?) in the following question?$$1 - [5 - \left\{2 + (-5 + 6 - 2)2\right\}] = ?$$