General Studies · Seating Arrangement

Six students, Manu, Nitya, Oliver, Prakash, Qadir, and Ratish are sitting in a row facing north (not necessarily in the same order). i) Manu and Nitya are not sitting next to each other. ii) Nitya is sitting fourth to the right of Qadir. iii) Both Qadir and Ratish are sitting at the extreme ends of the row. iv) Prakash is sitting between Manu and Oliver. Who is sitting immediately to the left of Oliver?