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What is valid difference between permutation and combination

Answer» For ex:if we have given some selected words and ask us to find the possible no. Of words that can be formed then we will use permutation and if we have given various things, say 6 balls, out of which we have to select only 3 balls then we will use combination
Permutation is an arrangement and combination is for finding the ways in which a particular thing can be selected


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