UGC-NET | UGC NET CS 2017 Jan - II | Question 18

Let M and N be two entities in an E-R diagram with simple single value attributes. R₁ and R₂ are two relationship between M and N, where as R₁ is one-to-many and R₂ is many-to-many. The minimum number of tables required to represent M, N, R₁ and R₂ in the relational model are _______.