Free Practice Question
PS · Problem Solving
705-805
Combinations
Out of seven models, all of different heights, five models will be chosen to pose for a photograph. If the five models are to stand in a line from shortest to tallest, and the fourth-tallest and sixth-tallest models cannot be adjacent, how many different arrangements of five models are possible?
Answer Choices
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6
B
11
C
17
D
72
E
210
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Explanation
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Difficulty
705-805
Type
PS
Category