Find the number of combination that can be formed with the letters of the word'MANNER'so that the vowels are always together
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Answer:
The total number of ways in which the letters of the word MANNER can be arranged with vowels together will be 120 ways.
Explanation:
There are two vowels in the word MANNER which are A and E, so we will consider this as a single alphabet as AE
So the numbers of alphabets in the words = 5 = M, N, N, R, (AE)
These 5 alphabets can be arranged in 5! ways
out of these alphabets N occur twice, So the ways in which these alphabets can be arranged = 5!/2! = 120/2 = 60
Again since A and E can be arranged in two different ways as AE and EA
Hence the total number of ways in which the letters can be arranged
= 60 x 2
= 120 ways.
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