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anonymous
 one year ago
the number of arrangements can be made taking 4 letters at a time out of the letters of the word PASSPORT
anonymous
 one year ago
the number of arrangements can be made taking 4 letters at a time out of the letters of the word PASSPORT

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dan815
 one year ago
Best ResponseYou've already chosen the best response.1case1) no repeating letters case2)repeating Ps only case3)repeats S only case4)repeating P and s

dan815
 one year ago
Best ResponseYou've already chosen the best response.1case1)=6! case2)=5*4*(4choose2) case3) =5*4*(4choose2) case4) = (4 choose 2)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0In the case one, should't it be 6 x 5 x 4 x 3 and not 6 ! and can you please explain the last case?

dan815
 one year ago
Best ResponseYou've already chosen the best response.1that should be 6*5*4*3 yes thats a mistake

dan815
 one year ago
Best ResponseYou've already chosen the best response.1the last case we are looking at P,P,S,S how many ways to arrange that

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0And in case 2 and 3 it will be like : 5 x 4 x 4!/2! x 2! ? Why 4!/2! x 2! ? ( that will be similar as case 4 then? @dan815

dan815
 one year ago
Best ResponseYou've already chosen the best response.1uh its too much to explain typing =.=

dan815
 one year ago
Best ResponseYou've already chosen the best response.1just think about it lol
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