The number of 4 letter words with or without meaning, that can be formed out of the letters of the word ‘WONDER’, if repetition of letters is not allowed is
Answers
Given : word ‘WONDER
To Find : The number of 4 letter words with or without meaning, that can be formed out of the letters of the word ‘WONDER’
repetition of letters is not allowed
Solution:
WONDER
6 letters
W O , N , D , E , R
4 Letters out of 6 letters can be selected in
⁶C₄ = 15 Ways
4 letters can be arranged in 4! ways
= 24 Ways
number of 4 letter words with or without meaning, that can be formed out of the letters of the word ‘WONDER’ = 15 * 24
= 360
360 , 4 letter words with or without meaning, that can be formed out of the letters of the word ‘WONDER’, if repetition of letters is not allowed
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