Question

1,3,7,15,? next number how​

Answer 1

Answer:

next number is 31

Step-by-step explanation:

1+2 = 3

3+4 = 7

7+8 = 15

15+16 = 31

Answer 2

Answer:

31

Step-by-step explanation:

1+2=3

3+2*2=7

7+2*4=15

15+2*8=31

Hope it helps you......☺️