_____ lives on _____ floor.

V, who has account in RBL, lives two floors above W’s floor. X’s floor is four floors below W’s floor. U, who has account in BOM, lives on a prime number floor. The one, who has account in DCB, lives four floors above U’s floor. There will be two cases: If W lives at floor no. 6, V lives at floor no. 8. X lives at floor no. 2. If U lives at floor no. 3, then the one, who has account in DCB lives at floor no. 7. If W lives at floor no. 5, V lives at floor no. 7. X lives at floor no. 1. If U lives at floor no. 2, then the one, who has account in DCB lives at floor no. 6. T lives immediately above vacant floor. One person lives between T and the one, who has account in IOB. The one, who has account in UCO, lives immediately above the one, who has account in CBI. Z lives three floors above the one, who has account in UCO. Case 1 will get discarded as we cannot place T. Case 2 . If t lives at floor no. 4, the vacant floor no. is floor no. 3. The X one, who has account in IOB lives at floor no. 1. If the one, who has account in UCO lives at floor no. 5, then the one, who has account in CBI lives at floor no. 4. Z lives at floor no. 8. Final arrangement as shown below: