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Seven people, A, B, E, F, P, Q and R, are sitting in a row, facing north. Only two people sit to the right of Q. Only two people sit between Q and B. Only two people sit between F and P. P sits to the immediate left of Q. E sits to the immediate right of R. Who sits at the third position from the left end of the row?
R
P
A
B
A
Fix the reference point Q first, then place P and the constraint of 2 people to the right of Q. This limits the row to 7 slots, making the rest of the placement deterministic.
Fix the reference point Q first, then place P and the constraint of 2 people to the right of Q. This limits the row to 7 slots, making the rest of the placement deterministic.
Establish Q's position
There are 7 seats total. 'Two people sit to the right of Q', so Q is at position 5 from the left. P is to the immediate left of Q (pos 4).
Place B and F
Two people between Q and B means B is at position 2. Two people between F and P means F is at position 1 (as pos 7 is already occupied by the two to the right of Q).
Identify E and R
E sits to the immediate right of R. Remaining positions 3 and 4 are filled by E and R? Wait, position 4 is P. Let's re-verify: F-R-E-A-B-P-Q. If P is 6th, Q is 7th, B is 4th, then 3rd is E and 2nd is R, 1st is F.
A: Incorrect placement. B: Incorrect position for E. D: Incorrect based on the deduced sequence.
C is correct because E sits at the third position from the left end based on the derived seating order: F, R, E, A, B, P, Q.
In row puzzles, always draw the slots first and fill fixed positions (like ends or specified neighbors) to avoid confusing left/right orientations.