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All letters are used but first letter is a vowel?
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Total number of letters in the word MONDAY is .
Number of vowels are
Six letters word is to be formed.
First letter should be a vowel. So, the rightmost place of the words formed can be filled only in ways.
Since the letters cannot be repeated , the second place can be filled by the remaining letters. So, second place can be done in ways
Similarly, third place in ways , fourth place in ways, fifth place in ways, sixth place in 1 way.
Hence, required number of words that can be formed using four letters of the given word is
Number of vowels are
Six letters word is to be formed.
First letter should be a vowel. So, the rightmost place of the words formed can be filled only in ways.
Since the letters cannot be repeated , the second place can be filled by the remaining letters. So, second place can be done in ways
Similarly, third place in ways , fourth place in ways, fifth place in ways, sixth place in 1 way.
Hence, required number of words that can be formed using four letters of the given word is
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Question Text | All letters are used but first letter is a vowel? |
Answer Type | Text solution:1 |
Upvotes | 150 |