A, B, C, D, E, F & G are sitting in line facing the East. C is immediate right of D. B is at an extreme end and has E as his neighbor. G is between E and F. D is sitting third from the South end. Who are the persons sitting at the extreme ends?

According to question,
Draw a figure A, B, C, D, E, F & G are sitting in line facing the East. C is immediate right of D. B is at an extreme end and has E as his neighbour. G is between E and F. D is sitting third from the South end.
From given figure , it is clear that A & B are sitting at the extreme ends .
Sitting arrangement of A, B, C, D, E, F and G:-