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TNPSC Group 2 2015 Paper

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Question : 44

Total: 100

A hollow cylindrical iron pipe is of length 35 cm. Its outer and inner diameters are 10 cm and 8 cm respectively. Find the weight of the pipe if 1 cu.cm of iron weighs 7 gm.

6.93 kg
9.90 kg
7.53 kg
7.93 kg

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