📝 Mathematics Class 12 Questions
Multiple Choice Questions
1. Let `R` be a relation on N defined by `x + 2y = 8.`The domain of `R` is
a) {2, 4, 6}
b) {1, 2, 3, 4}
c) {2, 4, 6, 8}
d) {2, 4, 8}
Ans: (c)
2. Let `L` be the set of all lines in a plane and `R` be the relation in `L` defined as then is
`R = {(L_1, L_2):L_1` is perpendicular to `L_2}`
(a) reflexive and transitive
(b) symmetric but neither reflexive nor transitive
(c) symmetric and transitive
(d) none of these.
Ans: (b)
Comments
Post a Comment