In a complex linear arrangement-seven people A, B, C, D, E, F, and G sit in a straight-line facing north. B sits third to the left of G. D sits second to the right of C. A is neither at an end nor adjacent to D. If F sits to the immediate left of B, who sits at the extreme right end?
In a complex linear arrangement-seven people A, B, C, D, E, F, and G sit in a straight-line facing north. B sits third to the left of G. D sits second to the right of C. A is neither at an end nor adjacent to D. If F sits to the immediate left of B, who sits at the extreme right end?
Solution
✅ Correct Option: 1,2
The given conditions allow two valid arrangements:
| Position | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
|---|---|---|---|---|---|---|---|
| Arrangement 1 | E | F | B | A | C | G | D |
| Arrangement 2 | F | B | A | C | G | D | E |
B is third to the left of G → satisfied in both.
F is immediately left of B → satisfied in both.
D is second to the right of C → satisfied in both.
A is neither at an end nor adjacent to D → satisfied in both.
Thus, the extreme right can be D in the first arrangement or E in the second.
Therefore, Options 1 and 2 are correct.
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