Puzzle 1: Which number replaces the question mark?
Puzzle 2: Which number replaces the question mark?
3, 5, 13, 43, 177, ?, 5353
Puzzle 3: Which number replaces the question mark?
Puzzle 4: Which number replaces the question mark?
If 2 + 3 = 8
3 + 7 = 27
4 + 5 = 32
5 + 8 = 60
6 + 7 = 72
Then 7 + 8 =?