Puzzle 1
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 2
Can you find every occurrence of the word APRIL that appears in this grid (horizontally, vertically, or diagonally)?
The hint will reveal the number of times it occurs, but where are they?

Note: this puzzle is not interactive, and the letters cannot be selected.
Puzzle Copyright © Kevin Stone
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Hint
The word APRIL appears 34 times.
Answer
The word APRIL appears 34 times.
Puzzle 3
Find three common nine letter words that can be formed on an upside-down calculator.
Assuming you have one of the old-fashioned calculators that can show 9 digits!
What is the longest word which could be formed?
Puzzle Copyright © Kevin Stone
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Answer
Illegible, eggshells and bobsleigh. The longest word is bibliologies with 12 letters.
Puzzle 4
For each of these words, using only the letters of that word, what is the longest word that can be found?
Every letter must be used at least once, and no other letters can be used.
For example:
taper = repeat · tapper · parapet · pretreat, and many more. But what is the longest word?
taper
heals
brows
often
farce
yowls
satin
awful
iotas
quiet
foils
score
Puzzle Copyright © Kevin Stone
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Hints
taper = p… (10 letters)
heals = s… (9 letters)
brows = b… (7 letters)
often = f… (8 letters)
farce = c… (8 letters)
yowls = s… (6 letters)
satin = a… (10 letters)
awful = l… (6 letters)
iotas = t… (10 letters)
quiet = e… (9 letters)
foils = f… (7 letters)
score = s… (11 letters)
Answers
taper = perpetrate (10 letters)
heals = seashells (9 letters)
brows = borrows (7 letters)
often = footnote (8 letters)
farce = carefree (8 letters)
yowls = slowly (6 letters)
satin = assistants (10 letters)
awful = lawful (6 letters)
iotas = tattooists (10 letters)
quiet = etiquette (9 letters)
foils = fossils (7 letters)
score = sorceresses (11 letters)