Question

Which of the following is an arithmetic sequence?

A. 1, 2, 4, 8, 16, 32, ...
B. 100, 50, 25, 12.5, ...
C. 1,3,5,7,9,11, ...
D. 1,2,4,7, 11, ...

Answer 1

C. 1,3,5,7,9,11...

Explanation:

difference = 3 -1 =2

Each term is obtained by adding 2 to the previous term

In Arithmetic Sequence , (n + 1)th term = nth term +d