Instructions

These questions are based on the following information.
A cube of 7cm × 7cm × 7cm 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.

Question 48

How many smaller cubes have at the most two faces painted?

Solution
Snap12

Three faces are painted as given in the figure.

Total number of cubes= 343

Faces with three sides painted =1
Answer= 343-1=342

Option B


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