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L, K, M, N, O and P are sitting around a circular table facing the centre. L sits fourth to the right of O. M sits second to the left of L. N is not the immediate neighbour of M. K sits second to the right of N. How many people are sitting between P and N, when counted from the left of N?
None
One
Two
Three
One
Fix the reference point (O) at 6 o'clock and place others based on relative positions; skip the 'not neighbor' condition until the final placement to quickly eliminate invalid slots.
Fix the reference point (O) at 6 o'clock and place others based on relative positions; skip the 'not neighbor' condition until the final placement to quickly eliminate invalid slots.
Fix the Positions
Let O be at the bottom (6 o'clock). L sits 4th to the right of O, placing L at the top (12 o'clock). M sits 2nd to the left of L, placing M at the 4 o'clock position relative to L (or 2 o'clock relative to table).
Place Remaining Persons
K sits 2nd to the right of N. By testing available seats, if N is at 8 o'clock, then K must be at 10 o'clock. Since N cannot be near M, and only P remains, P occupies the 6 o'clock position.
Counting the Result
The order facing the centre is: O(6), N(8), K(10), L(12), M(2), P(4). Starting from N at 8, moving clockwise (left of N), the next person is K. Thus, there is one person (K) between P and N.
A: None is incorrect as K sits between N and P. C: Two is incorrect because counting only one person separates them. D: Three is incorrect because the gap between N and P moving left is only one position.
B is correct because when sitting around the circular table, starting from N and moving left, the only person positioned between P and N is K.
In circular arrangement questions, always use a clock face (12, 2, 4, 6, 8, 10) to represent the positions of 6 people for faster visualization.