Correct option is D
Six persons: A, B, C, D, E, F (facing North)
Condition i:
C is fourth to the right of the one who is second to the left of D
Condition ii:
3 persons between F and C
1 person between E and A
A is at extreme end
Condition iii:
B and C are not neighbours
Final arrangement (Left → Right):
F B D E C A
Position of E = 4
Third to the left:
E → D (1) → B (2) → F (3)
Answer = F