U, and V.1) Q attends a SEMINAR on Thursday.2) Only one person attends the seminar between Q and V.3) P attends seminar immediately after V.Case 1:PersonsDays Monday TUESDAY WednesdayQThursday FridayVSaturdayPSunday Case 2:PersonsDays MondayVTuesdayPWednesdayQThursday Friday Saturday Sunday 4) The number of people who attend the seminar before P is the same as who attend the seminar after R.Case 1:PersonsDaysRMonday Tuesday WednesdayQThursday FridayVSaturdayPSunday Case 2:PersonsDays MondayVTuesdayPWednesdayQThursdayRFriday Saturday Sunday 5) Only one person attends the seminar between R and S.6) U attends the seminar after S.This is not possible in case 2. So, case 1 is correct.PersonsDaysRMondayTTuesdaySWednesdayQThursdayUFridayVSaturdayPSunday HENCE, the position of nobody remains unchanged.