CUET PG 2021 — Mathematics PYQ
CUET PG | Mathematics | 2021Let n(X) denotes the number of elements in set X. If n(A) = p and n(B) = q, then how many ordered pairs (a,b) are there with a ∈ A and b ∈ B?

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