## Binary Relation Domain of R and Range of R

 1. If A contains 6 elements and B has 7 elements then the number of all possible binary relations are?a) 7x7 b) 6x6c) 27d) 27 x 6
 2. If the number of elements in set A is M and in set B, is N then number of binary relation in AxB will be_ _ _ _ .a) mn2 b) 2mnc) 3mnd) mn3
 3. The Domain of R={(5,4), (5,7), (8,11)} is?a) {5,8}. b) {3,4,5,7,8,11}.c) {4,5,7,11}.d) {4,7,11}
 4. Domain of R is denoted by?a) Dom R b) (R) Domc) D of Rd) Dom (R)
 5. If X={1} and Y={a,b} then the binary relations of X x Y are?a) R1 = Æ, R2 = {(1,a)}, R3 = {(1,b)}, R4 {(1,b),(1,b)} b) R1 = Æ, R2 = {(2,a)}, R3 = {(1,b)}, R4 {(1,a),(1,b)}c) R1 = Æ, R2 = {(1,a)}, R3 = {(1,b)},d) R1 = Æ, R2 = {(1,a)}, R3 = {(1,b)}, R4 {(1,a),(1,b)}
 6. If A and B are two non-empty sets, then every subset R of set A x B is called _ _ _ _ _ _ .a) Non binary relation. b) Logic relation.c) Logical relation.d) Binary relation.
 7. The Domain of f = {(a,x), (b,y), (c,y),(d,t)} isa) {b,y,t} b) {b,y,y,t}c) {x,y,t}d) {a,b,c,d}
 8. Every subset of a Cartesian product is called _____________relation.Click here to enter your answer!
 9. If the number of elements in set X and set Y is 3 each, the number of binary relations in X � Y is 32a) Trueb) False
 10. The Range of R={(3,6), (5,8), (8,13)} is {6,8,13}.a) Falseb) True
 11. The set consisting of second elements of all the odered pairs of R is called _ _ _ _ _ _ .a) D of R b) Domain of Rc) R of Rd) Range of R
 12. The Range of R={(3,4), (5,7), (8,11)} is?a) {4,5,7,11}. b) {4,7,11}c) {3,4,5,7,8,11}.d) {3,5,8}.
 13. If set R is a binary relation, then the set consisting of second elements of all the ordered pairs of R is called the Domain of R.a) Trueb) False
 14. Binary relations of A x B and B x A is _ _ _ _ _ _ _ .a) Logical b) Samec) Illogicald) Different
 15. If set R is a binary relation then the set consisting of first elements of all the orered pairs of R is called _ _ _ _ .a) R of R b) Domain of Rc) D of Rd) Range of R
 16. The set consisting of all first elements of the ordered pairs of a binary relation is called -------- of R.Click here to enter your answer!
 17. The range of f = {(a,x), (b,y), (c,y),(d,t)} is a) {b,y,t} b) {x,y,y,t}c) {x,y,t}d) {a,b,c,d}
 18. Range of R is denoted by?a) Range R b) (R) Rangec) Range (R)d) R of R

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