Problema Solution
A manufacturing company in city A wishes to truck its product to 4 different cities:B,C,D,and E.If roads interconnect all 4 citites. How many different route plans can be contructed so that a single truck,starting from A,will visit each city exactly once,then return home?
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A manufacturing company in city A wishes to truck its product to 4 different cities:B,C,D,and E.If roads interconnect all 4 citites. How many different route plans can be contructed so that a single truck,starting from A,will visit each city exactly once,then return home?
Solution:
This is a permutation questions
P(4,4)=4!=24
So there are 24 different route plans