Question

3,7,15,31 ? puzzle ​

Answer 1

Answer:

63

Step-by-step explanation:

bcz the difference in first 4

then the difference in second 8

then the difference in third is 16

so the fourth difference is 32

31+32=63

Mark as brilliant

Answer 2

Step-by-step explanation:

3,7,15,31,63,127,.........