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780

Q:

Sum of volume of cylinder (S) and volume off cone (C) is 2190𝝅 cm² & height of both cylinder and cone is same i.e, 10 cm. If radius of cone is 15 cm then find the ratio of radius of S to radius of C?

  • 1
    1 : 2
  • 2
    3 : 4
  • 3
    2 : 5
  • 4
    4 : 5
  • 5
    3 : 5
  • Show Answer
  • Workspace

Answer : 4. "4 : 5"

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