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      Question

      The volume and height of a cylinder are 7986

      cm3 and 21 cm. Find the radius of the cylinder.
      A 14 cm Correct Answer Incorrect Answer
      B 11 cm Correct Answer Incorrect Answer
      C 10 cm Correct Answer Incorrect Answer
      D 8 cm Correct Answer Incorrect Answer

      Solution

      According to question, => (22/7) x r2ย x 21 = 7986 => r2ย = 121 => r = 11 cm

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