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Q: A cylindrical roller made of iron is 2.4 m long. Its internal radius is 36 cm, and the thickness of iron sheet used in making the roller is 25 cm. What is the mass (in kg) of the roller if 1 cm³ of iron has 18 g mass?
  • A. 14067𝛑
  • B. 10647𝛑
  • C. 10764𝛑
  • D. 10476𝛑
Correct Answer: Option D -
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Explanations:

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