Once you attempt the question then PrepInsta explanation will be displayed.

The given Diagram (X) is similar to the above diagram. So, when the sheet in Diagram (X) is folded to form a cube, then 'F' appears opposite 'B', 'E' appears opposite 'C' and 'A' appears opposite 'D' Therefore, the cube in Diagram (1) which shows 'F' adjacent to 'B' , the cube in Diagram(3) which shows 'E' adjacent to 'C' and the cube in Diagram (4) which shows 'A' adjacent to 'D' cannot be formed.

Therefore, only the cube in Diagram(2) can be formed.

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