Find the number of $4$ letter words, with or without meaning which can be formed out of the letters of the word ROSE, where the repetitions of the letters are not allowed.

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Solution

In the word "ROSE" there are no word to repeat .

There are total $4$ words.
$∴$ no of combination is given by $4!$

$4! = 4 \times 3 \times 2 \times 1.$

$4! = 24$

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Find the number of 4 letter words, with or without meaning which can be formed out of the letters of the word ROSE, where the repetitions of the letters are not allowed.

In the word "ROSE" there are no word to repeat .There are total 4 words.∴ no of combination is given by 4!4!=4×3×2×1.4!=24

Find the number of $4$ letter words, with or without meaning which can be formed out of the letters of the word ROSE, where the repetitions of the letters are not allowed.

In the word "ROSE" there are no word to repeat .

There are total $4$ words.
$∴$ no of combination is given by $4!$

$4! = 4 \times 3 \times 2 \times 1.$

$4! = 24$