Bunuel wrote:
GMAT100 wrote:
Greg, Marcia, Peter, Jan, Bobby and Cindy go to a movie and sit next to each other in 6 adjacent seats in the front row of the theater. If Marcia and Jan will not sit next to each other, in how many different arrangements
The best way to deal with the questions like this is to find the total # of arrangements and then subtract # of arrangements for which opposite of restriction occur:
Total # of arrangements of 6 people (let's say A, B, C, D, E, F) is6! .
# of arrangement for which
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