68th BPSC Prelims (2023), question 120

🧮 Mental Ability

120. How many words, no matter if they are meaningless, can be formed by the letters of the word 'DIARY'?

     1. 5
     2. 10
     3. 24
     4. More than one of the above
     5. None of the above
     Show answer

     Answer: E — None of the above

     DIARY has 5 distinct letters, giving 5! = 120 arrangements — a figure not among the given options, so none is correct.

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