Solved UPSC CDS/OTA Question
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Q · Mensuration Medium · 45s
A hollow cylindrical tube, open at both ends, is made of iron 1 cm thick. The volume of iron used in making the tube, if the external diameter is 12 cm and the length of tube is 70 cm, is
TopicMensuration
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Final Answer: Option B — 2520cm₃