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Neha wants to fill up this stack into a solid cuboid 4 cubes long, 3 cubes deep and 3 cubes high (the floor grid shows the base). How many more cubes does she need?

Competition practiceDice & Cubes
  • A17
  • B19
  • C36
  • D15

Step-by-Step Solution

The cuboid needs cubes. The stack has (column heights ). So more.
Answer: A) 17

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