Question

no. of permutations in S5​

Answer 1

Answer:

Thus in S5 there are 24 + 20 + 15 + 1 = 60 even permutations and 30 + 20 + 10 = 60 odd permutations. In general: in Sn there are n! 2 even permutations and the same number of odd permutations.