1.

The difference in radii of two spheres is 2 cm and ratios of their volumes on decreasing the radius of the larger sphere by \[69\frac{3}{13}%\] and the smaller 13 sphere by \[33\frac{1}{3}%\] is 8:27. Find the difference of surface areas of two spheres.

A. \[276.57c{{m}^{2}}\]
B. \[168.39c{{m}^{2}}\]
C. \[302.87c{{m}^{2}}\]
D. \[29439c{{m}^{2}}\]
E. None of these
Answer» B. \[168.39c{{m}^{2}}\]


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