How many of the following numbers are divisible by 21

How many of the following numbers are divisible by 21 ? 264, 396, 462, 792, 968, 2178, 5184, 6336

This problem repeats another one in the library (at most with different numbers), so it's left out of browsing.

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #37880

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