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1. There are the 24360 ways by which pilot can be scheduled for 3 days of flying in September according to permutation.

   According to the statement

   we have to find that the by how many ways can a pilot be scheduled for 3 days of flying in September if the pilot can not work on consecutive days.

   So, For this purpose,we know that the

   Here we use permutation to find the number of ways.

   Permutation is a mathematical technique that determines the number of possible arrangements in a set when the order of the arrangements matters.

   And the number of days in September is 30 days and the given number of days is 3.

   So, permutation becomes:

   P(30,3) = 30! / 30-3 !

   P(30,3) = 30! / 27 !

   P(30,3) = 30 *29*28

   P(30,3) = 24360.

   So, There are the 24360 ways by which pilot can be scheduled for 3 days of flying in September according to permutation.

   Learn more about permutation here

   https://brainly.com/question/1216161

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