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The number of equivalence relations of the set {3, 6, 9, 12, 18} is ______(a) 4(b) 2^5(c) 22(d) 90This question was posed to me by my school principal while I was bunking the class.This intriguing question originated from Closure on Relations in division Relations of Discrete Mathematics |
Answer» The correct answer is (a) 4 |
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