1.

5 countries president and prime minister went for a summit. If all 5 prime ministers shake hand to president at random, in how many ways they can shake hand if all 5 PMs shake hand only to their country president only.

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5 countries president and prime minister went for a summit. If all 5 prime ministers shake hand to president at random, in how many ways they can shake hand if all 5 PMs shake hand only to their country president only.




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