SOLUTION: You need to arrange seven of your favorite books along a small shelf. Although you are not arranging the books by height, the tallest of the books is to be places at the left end a
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Question 1178637: You need to arrange seven of your favorite books along a small shelf. Although you are not arranging the books by height, the tallest of the books is to be places at the left end and the shorts of the books at the right end How many different ways can you arrange the books? Answer by ikleyn(52800) (Show Source):
For the two of the books, the tallest and the shortest, their positions on the shelf are just fixed.
For the remaining 5 = 7-2 books, there are 5! = 5*4*3*2*1 = 120 different arrangements on the shelf. ANSWER
