- A(b)
- B(a)
- C(c)
- D(d)
Step-by-Step Solution
Opposite faces are 1–6, 2–5 and 3–4, so two of them can never be seen at the same time. Die (b) shows 2 and 5 together, which is impossible. The other three show no such pair.
Answer: A) (b)
On a standard die the dots on opposite faces always add up to 7. Which of these pictures can NOT be a standard die?
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