A cubical box of side 9 cm is melted and recast into 3 small cubical boxes. The sides of two small cubes are 6 cm and 1 cm. What is the side of the third small cube?

Question :

A cubical box of side 9 cm is melted and recast into 3 small cubical boxes. The sides of two small cubes are 6 cm and 1 cm. What is the side of the third small cube?

Options:

  • 6 cm
  • 8 cm
  • 7 cm
  • 5 cm

correct answer : b)

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