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The length of a metallic pipe is 7.56 m....

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 cm ^(2)` of the metal weight 7.5 g , then the weight of the pipe is : (Take ` pi = (22)/(7)`)

A

` 70.14` kg

B

` 69. 68 ` kg

C

` 72.82 ` kg

D

` 71. 28 ` kg

Text Solution

Verified by Experts

The correct Answer is:
D
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