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In how many ways the letters of the word DOUBLE be arranged [#permalink]
04 Sep 2005, 13:05
0% (00:00) correct
100% (02:34) wrong based on 1 sessions
In how many ways the letters of the word DOUBLE be arranged so that the order in which the vowels appear in the word does not change
Well the OE is 6!/3! since the letters are not repeated they can be arranged in 6! Ways But i don't understand why it is divided by 3!(standing for the number of ways the vowels be arranged ) Can anyone explain me why thanks