Question

Find the next number in the sequence.... 15, 31, 63, 127, 255.

Answer 1

Answer:

In the given question,we observe that each number is multiplied by 2 and added 1 each

i.e., 15×2+1=30+1=31

31×2+1=62+1=63

then the next number of 255 will be 255×2+1=510+1=511