Directions: Read the following information and answer the questions that follow.
Nine persons - A, B, C, D, E, F, G, H and I are sitting on a circular table. Five persons are facing outside while four are facing inside. Not more than two persons facing the same direction are sitting together. F is sitting third to the right of A who is facing inside. Three persons are sitting between F and E. B and G are sitting immediate left of each other. C is sitting third to the right of H who is one of the neighbours of A. H is not facing outside. Two persons are sitting between D and I who is adjacent to C. E, who is not sitting adjacent to B, is one of the immediate neighbours of H. F is sitting to the immediate left of C while to the immediate right of D.
If C and B exchange their positions, who will sit third to the left of C?
- AOption (a)
E
- BOption (b)
A
- COption (c)
H
- DOption (d)
F
- EOption (e)
D
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Correct answer
H
Why this answer is correct
Persons: A, B, C, D, E, F, G, H and I
Five persons are facing outside while four are facing inside.
1) F is sitting third to the right of A who is facing inside.
- Three persons are sitting between F and E.
Since it is not clear E is sitting in which direction with respect to F, two cases will be formed.
Case 1:
Case 2:
3) C is sitting third to the right of H who is one of the neighbours of A.
- H is not facing outside.
In case 2, H can either sit to the right of A or to the left of A. So, two cases can be formed.
Case 1:
Case 2(a):
Case 2(b):
5) Two persons are sitting between D and I who is adjacent to C.
6) E, who is not sitting adjacent to B, is one of the immediate neighbours of H.
E is the neighbour of H only in case 2(b). So other cases will be cancelled.
7) B and G are sitting immediate left of each other.
From point 6, E cannot sit adjacent to B, so the diagram will be as follows:
8) F is sitting to the immediate left of C while to the immediate right of D.
9) Not more than two persons facing the same direction are sitting together.
H sits third to the left of C.
Hence, If C and B exchange their positions, H will sit third to the left of C.