Find the 9th term of the arithmetic progression 18, 12, 6...
Find the 9th term of the arithmetic progression 18, 12, 6, 0, -6 .........
-54
-30
30
42
66
Correct answer is B
18, 12, 6, 0, -6, 12, -18, 24, -30
9th term = -30
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