Question
Four of the following are alike in a certain way to
form a group. Which among the following does not belong to the group? Study the following information carefully and answer the questions given below it. There are eleven persons A, P, C, Q, E, R, G, T, I, V and Y are sitting in a circular table facing towards the centre. Only 5 persons sit between A and I when counted from the right of A. Y sits second to the left of I. T sits third to the left of Y. Only four persons sit between Y and V. Number of letters between E and I in the alphabetical series is same as the number of persons sitting between A and G. Q is an immediate neighbour of V. P sits fifth to the right of Q. E sits second to the left of C.Solution
Only 5 persons sit between A and I when counted from the right of A. Y sits second to the left of I.
Only four persons sit between Y and V. Here we get two possibilities Case (1) and Case (2).
Q is an immediate neighbor of V. P sits fifth to the right of Q.
T sits third to the left of Y. E sits second to the left of C. Here Case 1 gets eliminated.
Number of letters between E and I in the alphabetical series is same as the number of persons sitting between A and G. 
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