Sets, Relations and Functions - Arithmetic Aptitude Questions and Answers

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Let n(A) denotes the number of elements in set A. If n(A) =p and n(B) = q, then how many ordered pairs (a, b) are there with a ∈ A and b ∈ B ?

p x q

p + q

2 pq

4 pq

Answer : Option A

Explanation :

p x q

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