Dear All,

Please help in finding the properities of relation of following pair which is solved from a graph.

a)

(x1, x3),(x1,x2),(x3,x5),(x3,x4)

b)

(x1,x4),(x1,x1),(x4,x4),(x4,x1),(x2,x2),(x2,x1),(x 1,x2),(x3,x3),(x3,x2),(x2,x3)

c)

(x1,x4),(x1,x3),(x2,x3),(x2,x1),(x2,x4),(x3,x4)

Thanks.