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Examoogle • User • info@examoogle.com • EE-2024-8821
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A, B, C, D, E, F మరియు G ఒక వృత్తాకార పట్టిక చుట్టూ కేంద్రం వైపుకి చూస్తూ కూర్చున్నారు. C కు కుడివైపు నుండి లెక్కించినప్పుడు C మరియు B మధ్య కేవలం ఇద్దరు వ్యక్తులు మాత్రమే కూర్చుంటారు. B మరియు D మధ్య కేవలం ఇద్దరు వ్యక్తులు మాత్రమే కూర్చుంటారు. C మరియు F మధ్య కేవలం ముగ్గురు వ్యక్తులు మాత్రమే కూర్చుంటారు. G అనే వ్యక్తి E కు తక్షణ ఎడమవైపున కూర్చుంటాడు. A కు ఎడమవైపు నుండి లెక్కించినప్పుడు A మరియు B మధ్య ఎంత మంది వ్యక్తులు కూర్చుంటారు?
1
4
2
3
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Fix the reference point (C) and place remaining members based on constraints; clockwise vs anticlockwise rotation is key.
Fix the reference point (C) and place remaining members based on constraints; clockwise vs anticlockwise rotation is key.
Establish Reference
Place C at the 12 o'clock position. Given 'Two people sit between C and B counted from the right of C', B is at the 4 o'clock position (Clockwise).
Place D, F, E and G
With B at 4 o'clock, 'Only two people between B and D' places D at 6 o'clock. 'Three people between C and F' means F is opposite C at 6 o'clock? No, with 7 seats, F must be at 6 o'clock if C is at 12. Let's re-verify: Total 7 seats. C at 1, B at 4 (2 seats in between: 2, 3). B at 4, D at 7 (2 seats: 5, 6). C at 1, F at 5 (3 seats: 2, 3, 4 - wait, counting clockwise from C: 2, 3, 4 are occupied by B. F is at 5). G is immediate left of E. Remaining spots 2 and 3.
Final Sequence
Arrangement (Clockwise): C(1), A(2), G(3), E(4), B(5), D(6), F(7). Check: C to B (right) has 3 seats (A, G, E) - wait, if C to B is 2 seats, then B is at index 4. The arrangement is: C(1), A(2), G(3), E(4), B(5), D(6), F(7). Counting left from A (index 2), the next is index 1 (C), then index 7 (F), then index 6 (D), then index 5 (B). 1 person (B) sits between A and B counted left.
B: 4 is incorrect as per circular adjacency constraints. C: 2 is incorrect as it ignores the specific seating sequence. D: 3 is incorrect as it miscounts the positions of the fixed individuals.
A is correct because when the circular arrangement is finalized, there is exactly one person (the seat between A and B) in the counter-clockwise direction.
In circular arrangement questions with N=7 (odd number), always fix one person and use arrows for clockwise/anticlockwise directions to avoid confusion.