Question
Which of the following must be a sock pair?
Answer: Option D
:
D
At least two of the pairs must be (B,D), (E,A) or (C,H). Therefore, the pairs can be
1) (B,D), (E,A), (C,H), (G,I)... F
2) (B,D), (E,A), (F,C), (G,I)... H
3) (B,D), (C,H), (F,A), (G,I)... E
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:
D
At least two of the pairs must be (B,D), (E,A) or (C,H). Therefore, the pairs can be
1) (B,D), (E,A), (C,H), (G,I)... F
2) (B,D), (E,A), (F,C), (G,I)... H
3) (B,D), (C,H), (F,A), (G,I)... E
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