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Puzzle 129
Starting in the bottom left corner and moving either up or right, adding up the numbers along the way, what is the largest sum that can be made?
| 2 | 3 | 5 | 4 | 1 |
| 3 | 2 | 4 | 3 | 4 |
| 5 | 1 | 3 | 5 | 2 |
| 3 | 3 | 2 | 3 | 1 |
| 1 | 4 | 2 | 4 | 4 |
Note: this puzzle is not interactive, and the numbers cannot be clicked.
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Puzzle 130
Can you make this equation correct by moving exactly one matchstick?
Note: this puzzle is not interactive, and the matchsticks cannot be moved. The matchstick layouts for each digit are:
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Puzzle 131
Can you find a 5-digit number …
… whose digits add up to 18 and whose product is 210 and the digits increase from left to right in the number?
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Puzzle 132
What is the next number in this sequence:
1 · 2 · 4 · 14 · 21 · ?