lilchannelll5094 lilchannelll5094
  • 25-01-2024
  • Mathematics
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A rectangular sheet of paper 40 cm×22 cm, is rolled to form a hollow cylinder of height 40 cm. The radius of the cylinder (in cm) is

(a) 3.5
(b) 7
(c) 80/7
(d) 5

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