Discussion
Which of the following pairs is sitting at the extreme ends?
Answer: C
Step 1: P, Q, R, S, T, U and V are sitting on a bench and all of them are facing east. S is sitting fth from the North end and R is to the immediate right of S, but not next to U.
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Step 2: Q is at the extreme end and has T as his neighbor and V is between T and U.
Here, P is automatically filled. Clearly, P and Q are sitting at extreme end of the bench.
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