A, B, C, D, E, F and G are sitting in a line facing East. C is in the immediate right of D. B is at the extreme end, and has E as his neighbour. G is between E and F. D is sitting third from the South end. Who among them are sitting at the extreme ends?
(i) A and E
(ii) A and B
(iii) F and B
(iv) C and D
(v) None of these
Answers
The answer is (ii) A and B
We're given these statements:-
1. A, B, C, D, E, F and G are sitting in a line facing East.
2. C is in the immediate right of D.
3. B is at the extreme end, and has E as his neighbor.
4. G is between E and F.
5. D is sitting third from the South end.
Explanation:-
1. Firstly, place D at third place from the bottom. That means C would be below D which leaves only one place below C.
2. B is at the extreme end, it has to be at the top because it can't have E as his neighbor at the bottom.
Our current positioning is:-
B E _ _ D C _
3. G is between E and F, so place them too:-
B E G F D C _
4. This leaves us only left with A who would be placed at bottom.
The final positioning is:-
B E G F D C A
Therefore, A and B are at the extremes. So, (ii) A and B is the correct answer.
refer to the attachment
Note: lines are shown as horizontal,just to make easy,the identification.......
