DIRECTIONS for the question:Solve the following question and mark the best possible option.
A cube of 7 cm × 7cm × 7 cm is kept in the corner of a room and painted in three different colours, each face in one colour. The cube is cut into 343 smaller but identical cubes.
How many smaller cubes have at the most two faces painted?
A)
343
B)
342
C)
256
D)
282
B
Cubes with at the most two faces painted = Total Cubes – Cubes with exactly three faces painted = 343 – 1 = 342
