A) 64
B) 128
C) 32
D) 96
Correct Answer: A
Solution :
Volume of larger ball \[=\frac{4}{3}\pi {{(8)}^{3}}\,cu.cm.\] Volume of a smaller ball \[=\frac{4}{3}\pi {{(2)}^{3}}\,cu.cm.\] \[\therefore \]Number of smaller balls \[=\frac{\frac{4}{3}\pi \times 8\times 8\times 8}{\frac{4}{3}\pi \times 2\times 2\times 2}=64\]
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