Mathematics, 18.05.2021 18:30 slippedsumo

A club has 50 members of which 20 are freshman, 15 are sophomores, 10 are juniors and 5 are seniors. How many ways are there to select a president, a vice president, and a secretary if they cannot be from the same class?

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A club has 50 members of which 20 are freshman, 15 are sophomores, 10 are juniors and 5 are seniors....

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