1.

\eqalign{ & \sqrt {\frac{{0.25}}{{0.0009}}} \times \sqrt {\frac{{0.09}}{{0.36}}} \cr & {\text{is equal to ?}} \cr} $$?

A. 5/6
B. 71/6
C. 71/3
D. 81/3
Answer» E.


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