how many small spheres of radius 6 cm can be formed by melting a solid sphere of solid 12 cm
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Answer:
We know that
Volume of sphere =4/3πr
3
Given D=12cm
∴r=6cm
Volume of big sphere =
3
4
×x×216
=288x
According to Question
288x=
3
4
x(27x
3
+64x
3
+125x
3
)
4
288×3
=216x
3
x=1cm
∴ Radius of smallest sphere =3cm
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