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How Many 4-letter Words With Or Without Meaning, Can Be Formed Out Of The Letters Of The Word, 'logarithms', If Repetition Of Letters Is Not Allowed? |
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Answer» 'LOGARITHMS' contains 10 DIFFERENT LETTERS. Required number of words = Number of arrangements of 10 letters, TAKING 4 at a time. = 10P4 = 5040. 'LOGARITHMS' contains 10 different letters. Required number of words = Number of arrangements of 10 letters, taking 4 at a time. = 10P4 = 5040. |
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