Question:medium
The number of 4-letter words, with or without meaning, which can be formed using the letters PQRPRSTUVP, is :
The number of 4-letter words, with or without meaning, which can be formed using the letters PQRPRSTUVP, is :
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When dealing with repeated letters, always list the counts first. It prevents missing cases like "2 alike + 2 alike" which are common pitfalls.
Updated On: Mar 13, 2026
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Correct Answer: 1422
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