Q. 7 B5.0( 2 Votes )

How many permutations can be formed by the letters of the word, ‘VOWELS,’ when

each word begins with E?

Answer :

Given: the word is ‘VOWELS.’


To find: number of words using letters of the given word starting with E


So, fix the position of the first letter as E:



Remaining number of letters = 5


Now, we need to arrange these 5 letters at the remaining 5 places.


Formula used:


Number of arrangements of n things taken all at a time = P(n, n)



The total number of ways


= the number of arrangements of 5 things taken all at a time


= P(5, 5)




{ 0! = 1}


= 5!


= 5 × 4 × 3 × 2 × 1


= 120


Hence, the possible number of words using letters of ‘VOWELS’ starting with ‘E’ is 120


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