Sphere and Tube by Gautam
6 spherical balls can be placed in a cylindrical tube. If we conclude that no space is left at top or bottom .let the radius and height of the sphere be "r" and "h" respectively . Find the ratio of the surface area of sphere and C.S.A of cylinder . If the ratio is in the form of a : b , then calculate a+b ?
The answer is 7.
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