How many 4 letter words with or without meaning, can be formed using the letter of the word flash

Solution

Total number of letters in word MONDAY = 6Number of vowels in word MONDAY = 2(i) Number of letters used = 4∴ Number of permutations = 6P4=6!(6−4)!=6!2!=6×5×4×3×2!2!=360(ii) Number of letters used = 6∴ Number of permutations = 6P6= 6!0!=6×5×4×3×2×1=720(iii) Here the first letter is vowel.∴ Number of permutation of vowel = 2P1 (adsbygoogle = window.adsbygoogle || []).push({}); = 2!1!=2 Now the remaining five places can be filled with remaining five letters.∴ Number of permutations = 5P5= 5!0!=5×4×3×2×1=120Thus total number of permutations= 2×120=240.

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How many 4-letter words, with ...

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How many 4 letters words with or without meaning can be formed out of the letters of the word wonderful if repetition of letters is not allowed?

6! Therefore, the number of four-letter words that can be formed is 5040. So the correct answer is option C.

How many numbers of 4

Hence, The total number of four-letter words that can be formed is 270.