
- 4
- 3
- 5
- 2
- 1
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Answer: A official key
Approach: Dice: find the faces adjacent to 6; the one face never adjacent and not opposite to another is opposite 6.
Solution:
Faces adjacent to 3: 6, 2 (view 1), 5, 6 (view 2), 4, 5 (view 3) ⇒ 2, 4, 5, 6 ⇒ 3 is opposite 1.
Faces adjacent to 6: 3, 2 (view 1), 3, 5 (view 2) ⇒ 2, 3, 5.
Remaining faces for the opposite of 6: 1 or 4. But 1 is already opposite 3.
So 4 is opposite 6.
Why the other options are wrong:
B (3), C (5), D (2): all appear next to 6 in the views.
E (1): 1 is opposite 3, not 6.
Cetking shortcut: Find the opposite of the most frequent face (3 ↔ 1) first; then 6's opposite is the one face left (4).
Answer: A






