Need help with Permutations

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An ice cream shop offers 25 flavors of ice cream. How many are there to select 2 different flavors from the 25 flavors? How many permutations are possible? 

May 5th, 2015

An ice cream shop offers 25 flavors of ice cream. How many are there to select 2 different flavors from the 25 flavors? How many permutations are possible? 

there are 2C25 = 25*24/2! = 300 

permutation is 25*24= 600.

May 5th, 2015

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May 5th, 2015
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May 5th, 2015
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