Aptitude Question Id : 91117
$latex \left ( \sqrt{8} -\sqrt{4}-\sqrt{2} \right )$ equals:
[A]-2
[B]$latex \sqrt{2}-2$
[C]2
[D]$latex 2-\sqrt{2}$
$latex \sqrt{2}-2$
$latex =\left ( \sqrt{8}-\sqrt{4}-\sqrt{2} \right )$
$latex =>\left ( 2\sqrt{2}-2-\sqrt{2} \right )$
$latex =>\sqrt{2}-2$
Hence option [B] is the right answer.