how many balls each of radius 1 cm can be made by melting a ball of radius 4 cm?
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Volume of big ball = 4/3*pi*r³
= 4/3*22/7*4³
= 4/3*22/7*64
= 268.19cm³
Volume of small ball = 4/3*pi*r³
=4/3*22/7*1³
= 4/3*22/7*1
= 4.19cm³
No. of small balls made
= (Volume of small ball)/(Volume of small ball)
= 268.19/4.19
= 64 balls
= 4/3*22/7*4³
= 4/3*22/7*64
= 268.19cm³
Volume of small ball = 4/3*pi*r³
=4/3*22/7*1³
= 4/3*22/7*1
= 4.19cm³
No. of small balls made
= (Volume of small ball)/(Volume of small ball)
= 268.19/4.19
= 64 balls
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