Traditional Culture Encyclopedia - Tourist attractions - Four out of five people are selected to visit four cities, including Paris, London, Washington, and Sydney, and each city is required to have one person to visit, and each person only visits one city.
Four out of five people are selected to visit four cities, including Paris, London, Washington, and Sydney, and each city is required to have one person to visit, and each person only visits one city.
there are four ways to arrange to go to Paris first; There are four ways to arrange to go to London again; There are three ways to arrange a trip to Washington. There are two ways to arrange a trip to Sydney.
According to the principle of step-by-step counting, there are 4×4×3×2=96 different options, so
B.
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