A solid metallic spherical ball of radius 28 cm is melted down and recast into small cones If the di...........

Quantitative Aptitude ( CCS) Mensuration 3D

A solid metallic spherical ball of radius 28 cm is melted down and recast into small cones. If the diameter of the base of the cone is 28 cm and the height is 4 cm, find the number of such cones can be made ?

106

118

112

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Explanation:

Volume of sphere = (4/3)πr^3
Volume of cone = (1/3)πr^2h
Let the number of cones be ‘X’
=> (4/3) *π *28^3 = (1/3) *π *14^2*4* (X)
=> X = 112

By: Amit Kumar

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A solid metallic spherical ball of radius 28 cm is melted down and recast into small cones If the di...........

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Explanation:

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