Question

9
?
3
5
11
7
7
19
O
a. 4
O
b. 5
O
c. 15
O d. 12​

Answer 1

Answer:

ans is 15

Step-by-step explanation:

9*2+1 is 19

3*2+1 is 7

5*2+1 is 11

and

7*2+1 is 15

Answer 2

Answer:

15 #follow me

Step-by-step explanation:

5×2+1=11

3×2+1=7

9×2+1=19

:. 7×2+1=15