Let A be the set of compartments in a train. A relation R on A is defined by aRb iff 'a and b have a link between them'. Which of the following is true for R?

JEE Main Mathematics question

Let be the set of compartments in a train. A relation on is defined by iff ' and have a link between them'. Which of the following is true for ?

Answer: (B)

A compartment is not linked to itself (not reflexive); linking is mutual

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Question ID VK-003233