JEE Main · Sets, Relations and Functions · Quiz
5 real JEE Main questions on Sets, Relations and Functions. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.
Question 1 of 5
MEDIUMLet A = {1, 2, 3, 4, 5, 6} and R be a relation on A defined by xRy if and only if 2x - y ∈ {0, 2}. If m is the number of elements in R and n is the minimum number of elements that must be added to R to make it reflexive, then m + n equals: