\(\sqrt {((42 - 6)(25 + 11))} \) ? 

A  6 

B  18 

C  36 

D  120 

Solution

Correct Answer: Option C

 Solution:  \(\sqrt {((42 - 6)(25 + 11))} \) = \(\sqrt {36 \times 36}  = \sqrt {1296} \) = 36 

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