Any subgroup must have the identity element in it?Group of answer choicesTrueFalse

Which of the following statements is TRUE about subgroups?a.Every group has only one subgroupb.Every subgroup is a groupc.Every subgroup contains only the identity elementd.Every group is a subgroup

Which of the following is NOT a requirement for a subset to be a subgroup?a.It contains the identity element of the groupb.It is closed under the group operationc.It is closed under the inverse operationd.It is closed under addition

An Organisation is seen to have some key elements, which of these is NOT an element?Group of answer choicesPurposePeopleRulesTime

Define oentre of the group and prove that it forms a subgroup

O is the subaltern of A.Group of answer choicesTrueFalse