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Permutations again (1 Viewer)

mattchan

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In how many ways can the letters of the word AUSTRALIA be arranged as to have only two A's together.

Thankyou in advance
 

FinalFantasy

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mattchan said:
In how many ways can the letters of the word AUSTRALIA be arranged as to have only two A's together.

Thankyou in advance
3P2 ways to have 2 A's together
den 7 remaining stuffs
3P2*7! should be it
 

FinalFantasy

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lol i suck at dem too, i suck at the whole topic "Probability", including perms\combs\other stuffs related

just hate probability!!
 

currysauce

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8! - 2 x 7! = 30240

8! as u count one set of A's as one unit

7 spots left... yadda yadda
 

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