Circular Sitting (Inside -Outside)

Q(1-4):  Eight person A, K, Q, R, U, B, J and C are sitting around a circle at equal distances. Three of them are facing opposite side and other five of them are sitting facing the centre .  R is not an immediate neighbour of C. Q is sitting to the third left of R, who is second right of A and among these three person, one is facing opposite to the centre . Two person are sitting between C and U and two are sitting between B and U. Q is sitting to the second left of J, who is facing the centre . K is not outside  the centre . U is not opposite to B and Q. K is sitting to the third right of B.
Q1. Which of the following persons is facing to the opposite of the centre?
(a) B
 (b) R
(c) U
 (d) Q
(e) None of these
Q2. Who is sitting third to the left of U?
(a) R
 (b) B
(c) K
 (d) C
(e) None of these
Q3. If all the people change their positions with the person sitting opposite to them then who is now sitting second to the left of R?
(a) U
 (b) A
(c) B
 (d) C
(e) None of these
Q4. Who is second right of J?
(a) B
 (b) C
(c) K or B
 (d) R or K
(e) C or R