A telephone company needs to create a set of 3-digit area codes. The company is entitled to use only digits 2,
4 and 5, which can be repeated. If the product of the digits in the area code must be even, how many
different codes can be created?
A. 20
B. 22
C. 24
D. 26
E. 30
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4 and 5, which can be repeated. If the product of the digits in the area code must be even, how many
different codes can be created?
A. 20
B. 22
C. 24
D. 26
E. 30
[Reveal] Spoiler:
D