Which number should replace the question mark?
47 55 63 85 92 99 73 ? 25
49 since the middle number is average of the first and the last of a row
1 5 13 29 61 125 ?
5 4 ? 8 5 7 6 9 1 1 7 1 9 1 3
Which number should replace the question mark in the picture below ?