when spherical balls of lead having radius 0.5 cm are dropped into a cone of radius5cm,and height 8cm full of water,then one fourth of the water flows out.find the number of leads balls dropped?
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1/4 volume of cone =N.volume of spherical ball
N=no of spherical ball
1/4{pi (5cm)^2 (8cm)}/3 =4/3pi (0.5cm)^3.N
N=100
N=no of spherical ball
1/4{pi (5cm)^2 (8cm)}/3 =4/3pi (0.5cm)^3.N
N=100
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