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IKMC 2027 - Grades 9-10 - Self-study SET 7 - Thematic Batch 3 Question 17

IKMC · IKMC 2027 - Grades 9-10 - Self-study SET 7 - Thematic Batch 3

Question 17

Alice builds a large cube from n³ identical unit cubes, where n is an integer greater than 3. In general, how many unit cubes can be seen from outside the large cube?

Question illustration
  1. 6 n² − 12n + 8
  2. 6 n² − 12n
  3. 6 n²
  4. 4 n²
  5. 6 n² − 8