Answer & explanation
Correct answer: option 4
$(1,1)∉R,(3,3)∉R,(4,4)∉R,(6,6)∉R$ (Not reflexive)
$(1,2)∈R$ but $(2,1)∉R$ (Not symmetric)
$(1,3)∈R,(3,1)∈R$ but $(1,1)∉R$ (Not transitive)
Correct answer: option 4
$(1,1)∉R,(3,3)∉R,(4,4)∉R,(6,6)∉R$ (Not reflexive)
$(1,2)∈R$ but $(2,1)∉R$ (Not symmetric)
$(1,3)∈R,(3,1)∈R$ but $(1,1)∉R$ (Not transitive)