How many words with or without meaning, can be formed by using all the letters of the word "DELHI", using each letter excatly once?
Answer & explanation
Correct answer: option 1
The correct answer is Option (1) → 120
The word, 'DELHI' contains 5 different letters.
Total number of words formed by using all the letters of the given word
5P5 = 5! = (5×4×3×2×1) = 120.
Hence, the required number of words =120