Find the 9th term of the arithmetic progression 18, 12, 6, 0, -6 ………

A. -54
B. -30
C. 30
D. 42
E. 66

Correct Answer: Option B

B. -30

Explanation
18, 12, 6, 0, -6, 12, -18, 24, -30
9th term = -30