Class 11MathematicsPermutation and CombinationDefinition of permutation, Number of permutations with or without repetition, Conditional permutations
EasyHow many words can be formed from the letters of the word $COURTESY$,whose first letter is $C$ and the last letter is $Y$?
- A$6!$
- B$8!$
- C$2(6!)$
- D$2(7!)$
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