If the total number of dots on opposite faces of a cubical block is always 7, find the figure which is correct.
None of these
the above diagram is showing faces & their opposite faces.
We know that in a 3D view of dice,
1. Each faces out three faces in 3D view should be from all pair.
2. Two opposite faces cannot come in any 3D view.
As per the above diagram & rules,
Only 2 can be crafted.