A number is called flippy if its digits alternate between two distinct digits. For example, 2020 and 37373 are flippy, but 3883 and 123123 are not. How many five-digit flippy numbers are divisible by 15
Answer Choices
A. 3
B. 4
C. 5
D. 6
E. 8
A number is called flippy if its digits alternate between two distinct digits. For example, 2020 and 37373 are flippy, but 3883 and 123123 are not. How many five-digit flippy numbers are divisible by 15
Answer Choices
A. 3
B. 4
C. 5
D. 6
E. 8