What will come in place of the x in the following Number series? 40, 160, x, 2560, 10240	Choose the correct choice from the following options:
A) 460
B) 200
C) 900
D) 800
E) 640
(640)   10 x 4 = 40, 40 x 4 = 160, 160 x 4 = 640, 640 x 4 = 2560.
<result>E</result>
What will come in place of the x in the following Number series? 40, 160, x, 2560, 10240