Lemma
MediumDivisibility
AQuA-RAT train #69959 · Number Theory · Divisibility

A credit card number has 6 digits (between 1 to 9)

A credit card number has 6 digits (between 1 to 9). The first two digits are 12 in that order, the third digit is bigger than 4, the forth is divisible by 3 and the fifth digit is 3 times the sixth. How many different credit card numbers exist?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #69959

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