A, B, C, D, E, F, G sit in a row with their face towards NORTH direction. E sits at the extreme left end. There are only two people between A and C. C sits between F and D. B sits between E and F. G sits to the immediate left of A. Who sits at the extreme right end of the row?
A
Number the seats 1 to 7 from left to right; all face north, so their left is our left. E sits at the extreme left, so E = 1.
‘B sits between E and F’ and ‘C sits between F and D’ are taken in the usual sense of sitting immediately between the two people, one on each side; only this reading fixes a single arrangement. So B = 2 and F = 3 (E B F), and then C = 4 and D = 5 (F C D).
The seats left are 6 and 7. G is to the immediate left of A, so G = 6 and A = 7.
| Seat | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| Person | E | B | F | C | D | G | A |
Therefore A sits at the extreme right end of the row.
Check: E is at the extreme left; between A (7) and C (4) sit D and G, i.e. only two people; C (4) is between F (3) and D (5); B (2) is between E (1) and F (3); G (6) is immediately left of A (7) – all conditions hold.
Hence, A.
Similar Questions
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Important Questions from Linear Arrangement
- Five people (A, B, C, D and E) are sitting in a straight line. They all are facing towards the north. B is sitting immediately between C and E. A is sitting third to the left of E. C is sitting second to the right of D. Who is sitting at the extreme left end of line?
- Six people A, B, C, D, E and F are sitting in a straight line. All are facing towards North.
B is seated third from the extreme right end of the line.
Only two people are seated between B and E.
C is sitting second from the right of B.
F is an immediate neighbour of B and C.
A is sitting to the immediate right of D.
How many people are seated between D and F? - Seven people A, B, C, D, E, F and G are sitting in a row, facing the north. Only three people sit to the left of D. B sits third to the left of D. F sits to the right of A but left of D. E sits to the right of C but left of G. How many people sit to the right of F?
- Seven people, I, J, K, L, M, N and O, are sitting in a row, facing north. Only three people sit to the left of M. Only I sits to the right of O. Only three people sit between O and N. J sits at some place to the left of K but at some place to the right of L. How many people sit between L and K?
- Seven people A, B, C, D, E, F and G are sitting in a row, facing north. Only two people sit between D and C. Only G sits to the right of E. Only one person sits between C and E. A sits at some place to the right of F but at some place to the left of B. How many people sit to the right of A?
