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68.
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A
dice is numbered from 1 to 6 in different ways.
If 1
is adjacent to 2, 3 and 5, then which of the following statements is
necessarily true?
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A.
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4 is adjacent to 6
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B.
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2 is adjacent to 5
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C.
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1 is adjacent to 6
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D.
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1 is adjacent to 4
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Answer: Option A
Explanation:
If 1 is adjacent to 2, 3 and 5, then either 4
or 6 lies opposite to 1. So, the numbers 4 and 6 cannot lie opposite to each
other. Hence, 4 necessarily lies adjacent to 6.
