the length of a hollow thick cylindrical metallic pipe is 6 cm and its | Examsbook

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956 0

Q:
The length of a hollow thick cylindrical metallic pipe is 6 cm and its total surface area including the surface at the ends is 98π sq. cm. If the outer diameter is 8 cm, then the inner diameter in cm is

1
6.5
2
7
3
5
4
6

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Answer : 4. "6"

Maths Volume and Surface Area Questions

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