A) A and D only
B) C and D only
C) A and B only
D) B and C only
Correct Answer: A
Solution :
When the sheet shown in figure (X) is folded to form a cube then one of the two half-shaded faces lies opposite to one of the blank faces and the other half-shaded face lies opposite to another blank face. The two remaining blank faces lie opposite to each other. Thus, both the cubes shown in figures [a] and [d] can be formed when the sheet shown in figure (X) is folded. Also, though the cubes shown in figures [b] and [c] have faces that can appear adjacent to each other but the cube formed by folding the sheet in figure (X) cannot be rotated to form either of the two. Hence, the cubes in figures [b] and [c] cannot be formed.
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