Arjun Suresh (talk | contribs) |
Arjun Suresh (talk | contribs) |
||
| Line 15: | Line 15: | ||
[[Category: GATE2009]] | [[Category: GATE2009]] | ||
| − | [[Category: Graph Theory questions]] | + | [[Category: Graph Theory questions from GATE]] |
Which one of the following in NOT necessarily a property of a Group?
(A) Commutativity
(B) Associativity
(C) Existence of inverse for every element
(D) Existence of identity
By definition, in a group, commutativity is not necessary. So option (A) is correct.
Which one of the following in NOT necessarily a property of a Group?
(A) Commutativity
(B) Associativity
(C) Existence of inverse for every element
(D) Existence of identity
By definition, in a group, commutativity is not necessary. So option (A) is correct.
GATECSE