Brain Teasers
Madadian Multiplex Two
Four couples are going to the movies to see the brand new Sci-Fi adventure film, by Madadian director Steven Squealburger, entitled "The Empire Strikes For More Money". Each row in the cinema holds eight seats. Sweaty Betty and Dim Jim don't want to sit next to Alice Malice and Tom Wrong . Alice and Tom don't want to sit next to Gertrude Gutrott and Bill Ovrites. On the other hand, Sally Forth and Bob Foraples 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?
How can the couples arrange themselves in a row so that they all sit where they would like?
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 sit 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 sit next to (Betty & Jim)
(Sally & Bob) will sit next to (Gertrude & Bill)
(Alice & Tom) will sit next to (Sally & Bob)
Thus, there are two possible arrangements - mirror images of each other.
1. (Betty & Jim) - (Gertrude & Bill) - (Sally & Bob) - (Alice & Tom)
2. (Alice & Tom) - (Sally & Bob) - (Gertrude & Bill) - (Betty & Jim)
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Comments
that one was on my aims test. good though.
whats aims test
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