A) 60
B) 62
C) 64
D) 66
Correct Answer: B
Solution :
\[\left( \text{7}+\text{9}+\text{5}+\text{4} \right)\text{ 2}-\text{1}0=\text{4}0\] \[\left( \text{17}+\text{8}+\text{3}+\text{6} \right)\text{2}-\text{14}=\text{54}\] \[\left( \text{1}0+\text{21}+\text{6}+\text{3} \right)\text{ 2}-\text{18}=\text{62}\]
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