-20, -16, -12, -8

-20 , -16 , -12 , -8 .... In the sequence above, each term after the first is 5 greater than the preceding term. Which of the following could not be a term in the sequence?

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

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #7021