- A8
- B12
- C4
- D16
Step-by-Step Solution
Top layer, not in the front row: cubes (yellow only). Front row, bottom layer: cubes (blue only). The 4 cubes along the top-front edge have two colours. So .
Answer: B) 12
This wooden block is 4 cm long, 3 cm deep and 2 cm high. Only its top (yellow) and front (blue) faces are painted. It is cut into 1 cm cubes. How many cubes have exactly one painted face?
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