Relation Sequence Length (Jee Mains)

Sets & Relations

Medium

Relation Sequence Length

Let A = {1, 2, 3,...., 10} and R be a relation on A such that R = {(a, b) : a = 2b + 1}. Let (a₁, a₂), (a₂, a₃), (a₃, a₄), ...., (a_k, a_k+1) be a sequence of k elements of R such that the second entry of an ordered pair is equal to the first entry of the next ordered pair. Then the largest integer k, for which such a sequence exists, is equal to :

SELECT ONE OPTION

Ask about this question