Question: cubes with each side one inch long are glued together to form a larger cube . the larger cube ' s face is painted with red color and the entire assembly is taken apart . 22 small cubes are found with no paints on them . how many of unit cubes have at least one face that is painted red ?
A) 64
B) 72
C) 86
D) 98
E) 103
Correct answer: E
Grade: 7 | Topic: Geometry | Difficulty: Medium | Standard: 7.G.B.6