Question

Which of the following is NOT an arithmetic sequence?

A. 4, 7, 10, 13, 16
B. 15, 9, 3, -3, -9
C. 2, 4, 8, 16, 32
D. 1, 2, 3, 4, 5

Answer 1

C. 2, 4, 8, 16, 32

Explanation:

C. 2, 4, 8, 16, 32 is NOT an arithmetic sequence. Because the difference between any two consecutive terms is not same.