Question

The zip code of a location consists of five digits chosen from the set Z shown below.
Z = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}

The set L represents the digits in the zip code for Key Largo.
L = {3, 3, 0, 3, 7}

The set K represents the digits in the zip code for Killarney.
K = {3, 4, 7, 4, 0}

How many odd numbers are in the set ~ (L ∪ K)?

(Note: Zero is an even number.)

Numerical Answers Expected!