L.C.M of 2 and 4 is

 $L.C.M\ of\ \sqrt{2},\ \sqrt{3}\ is$  

 $L.C.M\ of\ \pi\ and\ \pi^2\ is$  

 $L.C.M\ of\ \pi\ and\ 5\pi\ is$  

 $If\ \sqrt{x}\ =\ -3\ then\ x\ =$  

 $\sqrt{-1}\ \times\ \sqrt{-1}\ is$  

 $Value\ of\ \sqrt{9}\ is$  

 $If\ x\ +\ \frac{1}{x}\ =\ 2\ then\ value\ of\ x^{100}\ +\ \frac{1}{x^{100}}\ is$