Permutations and Combinations
The number of ways in which the letters of the word can be arranged so that the vowels may appear in the odd place, is
- None of these
Correct Answer: Option(a)
Solution: There are consonants and vowels in the word .
Out of places for the letters, places are odd and places are even.
vowels can be arranged in odd places in ways ways and then consonants can be arranged in the remaining places in ways
Hence the required number of ways .