SOLUTION: The missing number in the series 40, 120, 60, 180, 90, ?, 135 is (A) 110 (B) 270 (C) 105 (D) 210

Algebra ->  Sequences-and-series -> SOLUTION: The missing number in the series 40, 120, 60, 180, 90, ?, 135 is (A) 110 (B) 270 (C) 105 (D) 210       Log On


   

Question 824720: The missing number in the series
40, 120, 60, 180, 90, ?, 135 is
(A) 110 (B) 270
(C) 105 (D) 210
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
40, 120, 60, 180, 90, 270, 135 is B
X3 /2 X3 /2 X3
(A) 110 (B) 270
(C) 105 (D) 210