Which of the following must be true

Which of the following must be true.? 1) The sum of N consecutive integers is always divisible by N 2) If N is even then the sum of N consecutive integers is divisible by N. 3) If N is odd then the sum of N consecutive integers is divisible by N. 4) The Product of K consecutive integers is divisible by K. 5) The product of K consecutive integers is divisible by K!

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #34446