A) \[\frac{16}{75}\,\,cm\]
B) \[\frac{16}{51}\,\,cm\]
C) 15 cm
D) \[\frac{16}{5}\,\,cm\]
Correct Answer: A
Solution :
[a] Let increase in level = h cm \[\therefore \] Volume of increase water = 4x Volume of spherical balls \[\pi {{(5)}^{2}}\times h=\frac{4}{3}\pi ({{11}^{3}}\times 4)\] \[h=\frac{16}{75}\,cm\]
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