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Discrete MathematicsLet N = \{1,2,3,......\} be ordered by divisibility, which of the following subset is totally ordered (i) \{2, 6, 24\} (ii) \{3, 5, 15\} (iii) \{2, 9, 16\} (iv) \{4, 15, 30\}20232mDiscrete Mathematics(g) If (S, *) is a monoid, where S = {1, 2, 3, 6} and * is defined by a * b = lcm(a, b), where a, b ∈ S, then the identity element is (i) 1 (ii) 2 (iii) 3 (iv) 620192mDiscrete MathematicsLet A be the set odd positive integers less than 10. Then cardinality of A, ∣A∣ is (i) 5 (ii) 9 (iii) 6 (iv) 420232mDiscrete MathematicsWhich of the following pair is not congruent modulo 7? (i) 10, 24 (ii) 25, 56 (iii) -31, -15 (iv) -64, -1520232m
Previous(e) If P(Φ) represents the power set of Φ, then n(P(P(P(Φ)))) equal to (i) 1 (ii) 2 (iii) 3 (iv) 4Next(g) If (S, *) is a monoid, where S = {1, 2, 3, 6} and * is defined by a * b = lcm(a, b), where a, b ∈ S, then the identity element is (i) 1 (ii) 2 (iii) 3 (iv) 6
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