How Many Ways Can You Solve This Permutation Problem?

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Homework Statement


http://i49.tinypic.com/2hoeghs.png

Homework Equations



The Attempt at a Solution


(i) 144 ways
(ii) 2!*4!*3!
(iii) 12*5!
these are my answers
 
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are my answers correct?
 
They look correct to me.
 
@HallsofIvy
sorry for that next time I will post my full attempt.
 
Shouldn't the answer to (i) be 1440

5P3 * 4! = 1440

The rest look fine to me.
 
I think you right, I made a mistake understanding the question .
Thanks