How many words with or without meaning, can be formed by using all the letter b of the word, delhi', using each letter exactly once?
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Answer:
Explanation:
The word 'DELHI' has 5 letters and all these letters are different.
Total words (with or without meaning) formed by using all these
5 letters using each letter exactly once
= Number of arrangements of 5 letters taken all at a time
= 5P5 = 5! = 5 x 4 x 3 x 2 x 1 = 120
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