Class 11MathematicsPermutations and CombinationsDefinition of permutation, Number of permutations with or without repetition, Conditional permutations
EasyThere are $4$ parcels and $5$ post-offices. In how many different ways can the registration of the parcels be made?
- A$20$
- B$4^5$
- C$5^4$
- D$5^4 - 4^5$
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