A sphere of radius 12cm was melted to form 27 smaller spheres of equal radii. What 1M is the ratio of surface area of the big sphere to that of the sum of the surface areas of the smaller spheres ?
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A sphere of radius 12cm was melted to form 27 smaller spheres of equal radii. What 1M is the ratio of surface area of the big sphere to that of the sum of the surface areas of the smaller spheres ?
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A sphere of radius 12cm was melted to form 27 smaller spheres of equal radii. What 1M is the ratio of surface area of the big sphere to that of the sum of the surface areas of the smaller spheres ?
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