The length of a metallic pipe is 7.56 m. Its external and internal rad – McqOptions

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1.	The length of a metallic pipe is 7.56 m. Its external and internal radii are 2.5 cm and 1.5 cm respectively. If 1 cm3 of the metal weight 7.5 g, then the weight of the pipe is : (Take π = 22/7)
A.	70.14 kg
B.	69.68 kg
C.	72.82 kg
D.	71.28 kg
Answer» E.

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