A hollow garden roller of 42 cm diameter and length 152 cm is made of – InterviewSolution

1.	A hollow garden roller of 42 cm diameter and length 152 cm is made of cast iron 2 cm thick. Find the volume of iron used in the roller.
Answer» A hollow garden roller of $42 c m$ diameter and length $152 c m$ is made of cast iron $2 c m$ thick. Find the volume of iron used in the roller.

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