Question

_,15,17,21,29,45 complete the fill up​

Answer 1

Answer:

14 is the required number .

Answer 2

Answer:

14

Step-by-step explanation:

45-29=16

29-21=8

21-17=4

17-15=2

15-x=1

x=14

series is to subtract 2^0,2^1,2^3,2^4