Class 11MathematicsPermutation and CombinationDefinition of permutation, Number of permutations with or without repetition, Conditional permutations
EasyThere are $6$ letters and $3$ post boxes. In how many ways can these letters be posted in the post boxes?
- A$6^3$
- B$3^6$
- C$^6C_3$
- D$^6P_3$
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