Class 12

04. Functions question bank (Maths)

Practice 641 free Class 12 Maths - 04. Functions questions with answers and step-by-step solutions.

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Q1.

The number of equivalence relations on the set {1, 2, 3} containing (1, 2) and (2, 1) is

(A)

(B)

(C)

(D)

none of these

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Q2.

Let R be the set of real numbers and let G ⊆ R² be a relation defined by G = {[(a, b), (c, d)] | b - a = d - c}. Then G is

(A)

reflexive only

(B)

symmetric only

(C)

transitive only

(D)

an equivalence relation

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