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A spherical ball of radius 6 cm is melted and recast into 3 spherical balls. The radii of two of them are 3 cm and 4 cm.
Find the radius of the third ball (in cm).

Class 10Volume of Combined SolidsMensuration
  • A6
  • B10
  • C4
  • D5

Step-by-Step Solution

Volume conserved: cm.
Answer: D) 5

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