Question 1204819
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        For part  (d),  the solution and the answer in the post by  @MathLover1 are incorrect.


        The correct solution is as follows



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2 options for the 2nd letter (A or E);

7-1 = 6 options for 1st letter;

5 options for 3rd positions;

4 options for 4th position;

3 options for last, 5th position.


In all,  2*6*5*4*3 = 720 different options are possible.   <U>ANSWER</U> for (d)
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