Permutation

Syed Farzan (CA IPCC) (748 Points)

06 May 2011

If the letters in word "DAUGHTER" are to be arranged so that vowels occupy the odd places, then number of different words are?

plz answer my query and explain.

Thanks in advance.

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(Guest)

There are 3 vowels and 5 consonants. 3 vowels to be arranged in 4 odd places. 4P3 and 5 consonants can be arranged in 5P5 ways. 4P3 * 5P5 = 2880

Answer for this question in the CPT material is given wrong

3 Like

Mahesh (Student) (386 Points)
Replied 10 May 2011

how 3vowels can be arranged in 4P3????why can't 5 consonants can be arranged in 6P5 ways...?

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