$$\left( {\frac{{\sqrt {625} }}{{11}} \times \frac{{14}}{{\sqrt {25} }} \times \frac{{11}}{{\sqrt {196} }}} \right){\kern 1pt} $$ is equal to :
A. 5
B. 6
C. 8
D. 11
Answer: Option A
A. 5
B. 6
C. 8
D. 11
Answer: Option A
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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