Lemma
MediumDivisibility
AQuA-RAT train #34983 · Number Theory · Divisibility

How many 4 digit numbers are there, if it is known that…

How many 4 digit numbers are there, if it is known that the first digit is odd, the second is even, the third is prime, the fourth (units digit) is divisible by 3, and the digit 2 can be used only once?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #34983

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