Class 11MathematicsPermutation and CombinationDefinition of permutation, Number of permutations with or without repetition, Conditional permutations
EasyHow many words,with or without meaning,can be formed using all the letters of the word $EQUATION$,using each letter exactly once?
- A$40320$
- B$5040$
- C$20160$
- D$80640$
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