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Option 1 : Only statement III is true
1) W is sitting immediately next to D who is sitting immediately next to P.
Case 1:
P → D → W
Case 2:
W → D → P
2) A is sitting between P and Q.
Case 1:
Q → A → P → D → W
Case 2:
W → D → P → A → Q
3) P is sitting between A and D.
In both cases, P is sitting between A and D.
So, the 3rd statement is true.
4) Three persons are sitting between D and Q.
In both cases, only two persons are sitting between D and Q.
So, the 4th statement is false.
Hence, only statement III is the correct.
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