Permutations
This query is : Resolved
06 October 2013
if the letter word 'Daughter'are to be arranged so that vowels occupy the odd places,then number of different words are?
06 October 2013
The letters dghtr can be arranged in
5x4x3x2x1 = 120 ways
The 3 vowels can be added to each of
those in 4x3x2 = 24 ways
The answer is 120x24 = 2880
5x4x3x2x1 = 120 ways
The 3 vowels can be added to each of
those in 4x3x2 = 24 ways
The answer is 120x24 = 2880
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