Permutation means, Arrangements, Selection, Orders, Formula for permutat, n!÷(n+r)!, n!÷(r-n)!, n!÷(n-r)!, Order is necessary, True, False, Example of permutation is, The number of team consisting of 11 players out of 15, The number of ways of distributing 3 distinct prizes, The number of ways of choosing 3 out of 15 distinct objects simultaneously, What is n,r stands for ?, n is the total number of distinct objects, r is the number of objects selected and arranged, n is the total number of objects and r is the total number of selected objects, n is the total number of selected objects and r is the total number of distinct objects, If n=5,r=3 then the valye of permutation is, 90, 60, 45

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