How many spherical balls of radius 1 cm can
be made from a solid sphere of radius 8 cm.
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VOLUME OF SOLID SPHERE= 4/3 πr³
= 4/3 ×22/7 × 8 ×8×8
=64×88 ×8/ 21 cm³
volume of 1 spherical ball= 4/3 πr³
= 4/3 ×22/7 ×1×1×1
= 88/21 cm³
no. of spherical balls= volume of solid sphere ÷volume of 1 sphereical ball
= 64×88×8/21 ÷ 88/21
= 64×8
= 512 balls
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