A = { 1,2,3} f= {(1,1)(1,2)(2, l)then on A f is (1) retlexilne
(2) symmetric
2. The relation is (1) reflexive
(2) symmetric
3. In the set of all triangles "similarity"' is (1) reflexive
(2)g (2) symmetric
4. Which of the following is one to many relation (l)f
(3) Reflexive, transitive and symmetric
7. The relation "Son of' is (1) Reflexive
(2) Symmetric
If A = {1, 2, 3} , B = {a, b, c}, f = {(1, a), (1, b), (1, c)} g = {(1, a), (3, c), (2, b)} h = {(1, a), (2, b), (3, a)} q = {(l,a), (2, a), (3,b),(l,b), (3, a)} then
8. Which of the above is one to one relation? (1) f
(2) g
9. Which of the above is one to many relation? (1) f
(2) g
10. Which of the above is many to one relation (1) f
(2) g
11. Which of the above is many to many relation (1) f
(2) g (3) h (3) h (3) h (3) h (4) q (4) q (4) q (4) q (3) antisymmetric (3) trasitive (3) trasitive (3) h
5. For n, m N, n / m means that n is a factor of m, the relation '/' is (1) Reflexive and symmetric
(4) equivalent (4) equivalence (4) equivalence (4)q (2) Transitive and symmertric (4) Reflexive transitive but not symmetric (3) Transitive (4) None
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