Question

Find the missing term in the following figures.
511
3
255
7
127
15
631 ?
(A) 30
(C) 32
(B) 31
(D) 33​

Answer 1

Answer:

(B) 31 is the answer

I HOPE THIS MAY HELP YOU

Answer 2

Answer:

31 is the correct answer as

all numbers given are powers of 2 i.e. 2 to the Power x and are subtracted by 1 so 32 -1 = 31