Teaching AWES Army Public School TGT Mock Test 2024 Mathematics Relations and Functions Types of Relations
Which of the following is not true?
Consider a binary relation on a set A has {a, b, c}.
a) The smallest reflexive relation is {(a,a) (b,b) (c,c)}
b). The largest symmetric relation is {(a,a) (a,b) (a,c) (b,a) (b,b) (b,c) (c,a) (c,b) (c,c) }
c). The largest equivalence relation is A x A .
d). Number of partaially ordered relations on set A (1,2) is 5.
1
only a, b, d
2
only b, c, d
3
only c, d
4
only d