Let the relations R_{1} and R_{2} on the set X = { 1,2,3,...,20} be given by R_{1} = {(x,y):2x - 3y = 2} and R_{2} = {(x,y) : - 5x + 4y = 0}. If M and N be the minimum number of elements required to be added in R_{1} and R_{2}, respectively, in order to make the relations symmetric, then M + N equals: Relation (Mathematics) Question | DivineJEE

Let the relations R_{1} and R_{2} on the set X = { 1,2,3,...,20} be given by R_{1} = {(x,y):2x - 3y = 2} and R_{2} = {(x,y) : - 5x + 4y = 0}. If M and N be the minimum number of elements required to be added in R_{1} and R_{2}, respectively, in order to make the relations symmetric, then M + N equals: Relation (Mathematics) Question | DivineJEE | divineJEE