Find five rational numbers between 1 and 2.
If R be a relation < from A={1,2,3,4} to B={1,3,5} i.e., (a,b) ∈ R ⇔ a<b, then RoR−1 is
If the relation R:A→B where A={1,2,3,4} and B={1,3,5} is defined by R={(x,y):x<y,x∈A,y∈B}, then ROR−1 is