1.What is the identity element for a group (z,+) - the setof all intergers under the operation addition .
0
1
-1
all the above
2.If a group don't have identity element then we call the group as ?
quadra group
monoid
commutative
associate
3.What is order of the first non -abelian group?
1
2
4
6
4.Let (H1,.) & (H2,.) are the two subgroups of the group (G,.).which of the statement below is true
(H1nH2 ,.) is a group
(H1UH2 ,.) is a group
both are true
two only true
5.Let (G,.)be group with order n what will be the possible order of the subgroups?
divisors of n
n-1
n/2
all the above
6.which of the following below is an abelian group
(c,+) -set of all complex numbers under the operation addition
G={0,1,2,3,4,5} under the operation addition modulo six
1 only
both one & two