Discussion

Explanation:

Let the seats be  1   2   3   4   5   6   7   8   9  

E is at the centre and D is three places to the right of E. i.e.  1   2   3   4   E   6   7   D   9 .

A is two places to the left of D, and is next to H. i.e.  1   2   3   4   E   A   H   D   9 .

H is equidistant from I and E. Since there is one person between H and E, there should also be one person between H and I. i.e.  1   2   3   4   E   A   H   D   I .

Also, F and I are at the corners. i.e.  F   2   3   4   E   A   H   D   I .

G is between B and C such that C is closer to E. i.e. F   B   G   C   E   A   H   D   I .

Thus, the final arrangement is: F  B  G  C  E  A  H  D  I.

Thus, H is third from the right end. 

Hence, option (e).

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