$$\sqrt {0.2} = ?$$
A. 0.02
B. 0.2
C. 0.447
D. 0.632
Answer: Option C
Solution(By Examveda Team)
$$\eqalign{ & \,\,\,\,\,4|0\,.\,\overline {20} \,\,\overline {00} \,\,\overline {00} \,\,(.447 \cr & \,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,16 \cr & \,\,\,\,\,\,\,\,\,| - - - - - - - - - - \cr & \,\,\,84|\,\,\,\,\,\,\,\,\,\,4\,00 \cr & \,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,3\,36 \cr & \,\,\,\,\,\,\,\,\,\,| - - - - - - - - - - \cr & \,887|\,\,\,\,\,\,\,\,\,\,\,\,\,\,64\,00 \cr & \,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,62\,09 \cr & \,\,\,\,\,\,\,\,\,\,| - - - - - - - - - - \cr & \therefore \sqrt {0.2} = 0.447 \cr} $$Related Questions on Square Root and Cube Root
The least perfect square, which is divisible by each of 21, 36 and 66 is:
A. 213444
B. 214344
C. 214434
D. 231444
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