How many words can be formed from the letters of the word 'LAUGHTE | Filo
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Class 11

Math

Algebra

Permutations and Combinations

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How many words can be formed from the letters of the word 'LAUGHTER' so that the vowels are never together?

Correct Answer: Option(c)
Solution:
Total number of words formed by using all the letters at a time .
Number of words in which vowels are never together
(total number of words)(no. of words in which vowels are always together)
.
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