Question

18, 27, 36, 45, 54 Answer: __________ A. Arithmetic sequence B. Geometric sequence C. Neither

Answer 1

Arithmetic sequence

Explanation:

Arithmetic sequences have a common difference d=n2-n1 whilst Geometric sequences have a common ratio r=r2/r1

Clearly, 27-18=9,6-27=9,54-45=9

since there's a common difference,it's an arithmetic sequence