Question

For any positive integer a and 3, there exist unique integers q and r such that a = 3q + r, where r must satisfy

(A) 0 ≤ r < 3 (B) 1 < r < 3
(C) 0 < r < 3 (D) 0 < r ≤ 3

Answer 1

Correct answer is (A) 0 ≤ r < 3