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A hollow cylindrical pipe is made of iro...

A hollow cylindrical pipe is made of iron. Its external and internal radii are 8 cm and 7 cm respectively and it is 35 cm long. If `1 cm^3` iron weight 8g, then the weight of the pipe is.

A

13.25kg

B

13.2 kg

C

13.26 kg

D

13.21 kg

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