Q. 175.0( 3 Votes )
Volume of a sphere = (4/3)πr3
Volume of a cylinder = πr2h
Given, cylindrical jar of radius 6 cm contains oil. Iron spheres each of radius 1.5 cm are immersed in the oil.
Level of the oil has to rise by 2 cm.
Let the number of spheres required be ‘n’.
⇒ n = 16
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