Question

A hollow iron pipe is 21 cm long and its external diameter is 8 cm. If the thickness of the pipe is 1 cm and iron weighs 8 g/cm3, then the weight of the pipe is

  • 3.6 kg
  • 3.696 kg (Correct Answer)
  • 36 kg
  • 36.9 kg

Answer is "3.696 kg"

2 Answer and explanations

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201
Muskaan

please post an explanation

196
Deeksha

anyone have any solutions

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