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A solid metallic cylinder of radius 6 cm and height 15 cm is melted and recast into small cones, each of radius 2 cm and height 3 cm.
How many complete cones can be made?

Class 10Volume of Combined SolidsMensuration
  • A150
  • B135
  • C270
  • D120

Step-by-Step Solution

Cylinder = π(36)(15) = 540 π. Each cone = π π. Number = cones.
Answer: B) 135

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