6 persons A, B, C, D, E and F are sitting around a rectangular table (not necessarily in the same order) facing towards the centre. 4 persons are sitting at each corner, and one person is sitting at the middle of each shorter side of the table. B is an immediate neighbour of D and C. F is an immediate neighbour of A and D. E is an immediate neighbour of A and C. F is not sitting at any of the corners. Which of the following pairs represents the persons who are sitting exactly opposite to each other?

FC

Answer: FC

In this question try to place all these in a circle and then when it is finished in a circle you just need to place these in the rectangle and start with F