Let and . Find the number of ordered pairs with and such that is…

MATHEMATICS · Subjective · CBSE · Mathematics · Permutations and Combinations · Permutations and Combinations

Problem

Let

A=\{1,3,5,7\}

and

B=\{2,4,6\}

. Find the number of ordered pairs

(a,b)

with

a \in A

and

b \in B

such that

a+b

is even.

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