JEE Main Mathematics question

In a set of ants in a locality, each ant moves along a single straight line. Two ants are said to be related iff they walk on the same straight line. Then the relation is

(A)Reflexive and symmetric
(B)Symmetric and transitive
(C)Reflexive and transitive
(D)EquivalenceCorrect

Answer: (D)

Solution

Reflexive and symmetric are immediate. If share a line and share a line,

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Question ID VK-003195