`A={1,2},B={{1},{2}},C={{1,2}}`. Then, which of the following relation is correct ?

If A={1,2,3}, B={1,2} and C={1,2} , which one of the following is correct ?

If A = { 1,2,3} , B = { 1,2} and C = { 2,3} , which one of the following is correct?

If A= {1,2,3} ,B= {1,2) and ={1,2} which one of the following is correct ?

If A={a,b,c,d) and B={1,2,3) , then which of the following is a relation from A to B?

If in the determinant Delta=|[a_1,b_1,c_1],[a_2,b_2,c_2],[a_3,b_3,c_3]|,A_1,B_1,C_1 etc. be the co-factors of a_1,b_1,c_1 etc., then which of the following relations is incorrect-

Suppose X={1, 2, 3, 4} and R is a relation on X. If R={(1,1),(2,2),(3,3),(1,2),(2,1),(2,3),(3,2)}, then which one of the following is correct?

Suppose X = {1,2,3,4} and R is a relation on X. If R = {(1,1),(2,2),(3,3),(1,2),(2,1),(2,3),(3,2)}, then which one of the following is correct?

Let X {a,b,c} , Y = {1,2,3,4} Find Out which of the following relations are functions and which are not and why ? {(a,2),(b,1),(c,1)}

Let X {a,b,c} , Y = {1,2,3,4} Find Out which of the following relations are functions and which are not and why ? {(a,1),(b,1),(c,1)}

Let X {a,b,c} , Y = {1,2,3,4} Find Out which of the following relations are functions and which are not and why ? {(a,3),(b,1),(a,4),(c,2)}