Question

If 'a is a sister of b' on a set consisting only of females.it is symmetric...but is that transitive or not?if yes explain.

Answer 1

its transitive also.
if a is a sister of b and b is a sister of c
----(a,b) and (b,c)
then c will also be sister of a.
(a,c).
done.
feel free to ask any doubt.
:-)