Solution

From (i), if Ketan is at place 1, then Deepak will be at place 6 and Yash will be at place 3. Hold (ii) and (iii) for a while (use these statements later) as (ii) is not a direct statement and (iii) gives us information about Chetan and Suraj and at present we know neither’s position. From (iv), Rishi will be at place 4 and Suraj will be at 5. From (iii), Chetan will be at place 8. From (ii), Pankaj cannot be at place 2 as she is not an immediate neighbor of Yash. So, Pankaj will be at place 7 and Tanuj will be at place 2, only place left.