Question

Which of the following is an arithmetic sequence?
A. 1, 3, 6, 10, 15
B. 3, 6, 12, 24, 48
C. 2, 4, 7, 11, 16, 22
D. 1, 3, 5, 7, 9

Answer 1

D because the sequence would be by two and then the others are skipping different numbers than D