Four couples are going to the movie. Each row holds eight seats. Betty and

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Categories >> Aptitude-Questions >> Puzzles

Question	Four couples are going to the movie. Each row holds eight seats. Betty and Jim don't want to sit next to Alice and Tom. Alice and Tom don't want to sit next to Gertrude and Bill. On the otherhand, Sally and Bob don't want to sit next to Betty and Jim. How can the couples arrange themselves in a row so that they all sit where they would like?
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Answer	From the given data, it can be inferred that: (Sally & Bob) NOT (Betty & Jim) NOT (Alice & Tom) NOT (Gertrude & Bill) (A) NOT (B) means A and B can not seat next to each other. Now, it is obvious that (Betty & Jim) and (Alice & Tom) will occupy the corner seats as both of them can have only one neighbour. Therefore, (Gertrude & Bill) will seat next to (Betty & Jim) (Sally & Bob) will seat next to (Gertrude & Bill) (Alice & Tom) will seat next to (Sally & Bob) Thus, there are two possible arrangements - a mirror images of each other. 1. (Betty & Jim) - (Gertrude & Bill) - (Sally & Bob) - (Alice & Tom) 2. (Alice & Tom) - (Sally & Bob) - (Gertrude & Bill) - (Betty & Jim)	0	Guest

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