# Radius of a cylinder is 5 cm and height 12 cm. how many spheres of radius 2 cm can be curved from it?

Solution: We have ,

⇒  volume of cyelinder =  $\\ \pi r^2h$

$\\ \Rightarrow 22/7\times 25\times 12$

⇒ volume of resulting sphere =$\\ (4/3)\times \pi r^3$ =$\\ 4/3\times 22/7\times 2^3 =4/3\times 176/7$

⇒ No of spheres = volume of cylinder/volume of sphere=225/8= 28.125

Hence no of sphere is 28.

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