Who among the following is an immediate neighbour of J?
Only two persons are sitting between I and K. P sits to the immediate left of K. 
L sits opposite to K. L is not the immediate right of I. Since case (2) is not possible. 
Only three persons are sitting between O and J. M sits to the immediate left of J. M is not the immediate neighbour of K. M is an immediate neighbour of L and does not sits at any of the corners. 
So the final arrangement is, 
4 5.5 19 .5 98.5 694 6251.5
...15 13 28 24 54 52
...1 5 13 25 41 ?
31 48 67 90 ? 150
100 221 77 245 50 275
3601 3602 1803 604 154 36
...2, 17, 147, 1167, 8157, 48957
D irection: Which of the following will replace ‘?’ in the following series
9, ‘?’, 1242, 1581, 1783
...2120 1976 2097 1997 ? 2014
...4 6 12 ? 44 74
...
