Which of the following statement is not correct?
1
There is a one to one correspndence between any two right cosets of the subgroup H in group G.
2
If H, K are the subgroups of G, then HK is a subgoup of G if and only if HK = KH.
3
If H, K are the subgroups of the abelian group G, then HK is a subgroup of G.
4
If H, K are the subgroups of G, then H ∩ K may or may not be a subgroup of G.
5
Question Not Attempted