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Source: GWD

Level: 0

A certain right circular cylinder has a radius of 5 inches. There is a kind of liquid filled in this cylinder to the height of 9 inches. If this liquid is poured completely into a second right cylinder, then the liquid will fill the second cylinder to the height of 4 inches. What is the radius of the second cylinder, in inches?

  • A 6
  • B 6.5
  • C 7
  • D 7.5
  • E 8

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