Puzzle 17
Start in the bottom left corner and move either up or right, one square at a time, using the numbers and the mathematical signs along the way. What is the largest total you can make?
| + | 2 | – | 4 | + | 2 |
| 2 | + | 2 | – | 2 | + |
| – | 1 | + | 3 | – | 3 |
| 2 | – | 3 | + | 1 | – |
| + | 1 | – | 3 | + | 2 |
| 3 | + | 3 | – | 2 | + |
Note: this puzzle is not interactive, and the squares cannot be clicked.
Puzzle Copyright © Kevin Stone
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Puzzle 18
Below you can find a proverb.
The letters have been converted to their location in the alphabet.
For example: CAT = 3 + 1 + 20 = 3 1 2 0
1 2 1 2 1 7 8 2 0 5 1 8 9 1 9 2 0 8 5 2 5 1 9 2 0 1 3 5 4 9 3 9 1 4 5
Puzzle Copyright © Kevin Stone
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Puzzle 19
Below, 10 nine-letter words have been broken into chunks of three letters.
The chunks have been moved around, no chunk is used twice, and all of the chunks are used.
Can you find the 10 words?
tin som mea and all ple
sca eth ile rbr man ssl
pol rec hai yes gra wat
ing ter ice eap erf ate
nwh pin obs ush row day
Puzzle Copyright © Kevin Stone
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Puzzle 20
How many squares of any size on this chessboard do not contain a rook?
Puzzle Copyright © Kevin Stone
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