Question

101. What should come in place of the question mark (?) in the following series-
5, 10, 20, 40, (?), 160​

Answer 1

Step-by-step explanation:

5

5*2=10

10*2=20

20*2=40

40*2=80

80*2=160

Answer 2

Answer:

5, 10, 20, 40, 80, 160

Explanation