Question

2019 (1) (M1)
12. A group (G, *) has 10 elements. The
minimum number of elements of G which
are their own inverse is
(A) O
(B) 9
(C)1
(D) 2​

Answer 1

Answer:

1

Step-by-step explanation:

For forming a group the group must include an identity element. And we know identity element is it's own inverse. So there must be atleast one element in a group whose inverse is itself.