Puzzle 197
If …
7/28 of 64 is 16,
and 9/12 of 100 is 75,
and 3/9 of 33 is 11,
what is 5/15 of 45?
Puzzle Copyright © Kevin Stone
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Hint
This puzzle is perhaps easier than it first appears.
Answer
15.
Using normal mathematics!
5/15 of 45 = 1/3 of 45 = 15.
Puzzle 198
Place a horizontal or a vertical line into every blank square.
Each number tells you the total length of the lines connected to that square.
Puzzle Copyright © Johan de Ruiter
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Hint
Start by looking at the 6 and 4 on the top row.
Answer
Puzzle 199
The same three-letter word has been removed from all of these words, leaving the letters below (which are still in the correct order).
What was the three-letter word?
loe
ch
she
er
vae
Puzzle Copyright © Kevin Stone
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Hint
The missing word is in these locations: lo---e, ---ch, s---he, ---er, va---e.
Answer
Cat.
loe = locate
ch = catch
she = scathe
er = cater
vae = vacate
Puzzle 200
Using only horizontal and vertical lines, connect every number to its pair (1 goes to 1, 2 goes to 2, etc). The lines must not cross each other.

Note: this puzzle is not interactive, and the squares cannot be clicked.
Puzzle Copyright © Johan de Ruiter
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Answer