Which of the following is the next number in the series : 3 , 6 , 9 , 18 , 27 , 54 , 81,.....?
A
135
B
151
C
162
D
243
Correct Answer: 162
3, 6, 9, 18, 27, 54, 81, ............. in this series number of even place is doubled of number of previous odd palace. Nex number = 81 × 2 = 162