Puzzle 1: What number replaces the question mark?
1 + 1 = 8
2 + 2 = 32
3 + 3 = 72
4 + 4 = ?
Puzzle 2: What comes next in the sequence?
1 + 5 = 18
2 + 10 = 36
3 + 15 = 54
4 + 20 =?
Puzzle 3: What number replaces the question mark?
If 1 x 1 = 2
2 x 2 = 4
3 x 3 =6
4 x 4 = 8
Then 4 x 1 =?
Puzzle 4: What number replaces the question mark?Puzzle 5: What number replaces the question mark?
If 1 – 1 = 0
2 – 1 = 3
3 – 1 = 8
Then 5 – 1 =?