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 =?
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