Puzzle 1
Can you find every occurrence of the word LEMON 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 LEMON appears 47 times.
Answer
The word LEMON appears 47 times.
Puzzle 2
What three-letter word best completes these words?
c---on
he---
e---h
m---yr
qu---er
st---
Puzzle Copyright © Kevin Stone
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Hint
The word ends with the letter T.
Answer
Art.
c---on = carton
he--- = heart
e---h = earth
m---yr = martyr
qu---er = quarter
st--- = start
Puzzle 3
Starting with WARM, change one letter at a time, and end with COOL?
Each change leaves the other letters in their original places and must result in a proper word.
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Hint
One answer changes Warm to Worm.
Answer
WARM, WORM, WORK, CORK, COOK, COOL
or
WARM, WORM, WORD, WOOD, WOOL, COOL.
Puzzle 4
Dave's current age is the age of his favourite book (which is 14 years old) plus one third of his age.
How old will he be when his favourite book is twice its current age?
Puzzle Copyright © Kevin Stone
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Hint
A little algebra might help.
Answer
He will be 35 in 14 years.
Reasoning
He is currently 21.
If X is his current age, then:
X = 14 + X
———
3
so
2X = 14
———
3
and
2X = 42
So
X = 21
He is currently 21 and his favourite book is currently 14 years old, when it is 28 years old (double its age) he will be 35.