Seven persons A, B, C, D, E, F and G are standing in a straight line. D is to the right of G. C is between A and B. E is between F and D. There are three persons between G and B. Who is on the extreme left?

According to question, We can draw a figure , in which D is to the right of G. C is between A and B. E is between F and D. There are three persons between G and B . As shown in figure , G is on the extreme left . Standing arrangement :-