A hollow cylindrical pipe open at both ends is made of rubber 5cm thick. What will be the volume of rubber used in making the pipe, if the external diameter is 100cm and the length of cylinder is 50cm.

A hollow cylindrical pipe open at both ends is made of rubber 5cm thi

1.	A hollow cylindrical pipe open at both ends is made of rubber 5cm thick. What will be the volume of rubber used in making the pipe, if the external diameter is 100cm and the length of cylinder is 50cm.
A.	74575 cu.cm
B.	85000 cu.cm
C.	48000 cu.cm
D.	34678 cu.cm
Answer» B. 85000 cu.cm

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A hollow cylindrical pipe open at both ends is made of rubber 5cm thick. What will be the volume of rubber used in making the pipe, if the external diameter is 100cm and the length of cylinder is 50cm.

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