Question

The range of the relation {(1,0) (2,0) (3,0) (4,0) (0,0)} is
a){1,2,3,4,0}
b){0}
c){1,2,3,4}
d)None of these

Answer 1

According to me its correct answer is a

Answer 2

Answer:

according to me correct answe is { 0}