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Puzzle 197
Place letters into the grid such that every row, column, and 2 x 2 block has letters (in any order) that form a common word. Each letter is only used once, and no letter is repeated in the rows / cols / blocks.
Letters allowed: S C H O O L
| J | Y | ||
| E | K | A | |
| M | E | ||
| R | A | P |
Note: this puzzle is not interactive, and the squares cannot be clicked.
Puzzle Copyright © Alan Stillson and Frank Longo
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Puzzle 198
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 199
Using a tap, a nine gallon container and a four gallon container …
… can you measure exactly 6 gallons?
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Puzzle 200
What number comes next in this sequence:
3 · 24 · 102 · 312 · 777 · ?