Puzzle 197
Sam takes 20 days to build a wall.
Taylor and Kelly each take 10 days to build a wall.
How long will it take the three of them to build a wall if they work together?
Puzzle Copyright © Kevin Stone
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Hint
How many walls can be built in 20 days?
Answer
4 days.
Reasoning
In 20 days, Sam can build 1 wall, and Taylor and Kelly can each build 2 walls.
So, in 20 days, 5 walls can be built.
Therefore, one wall will take 4 days to build.
Puzzle 198
By changing the second letter of each word below, you can make another valid word.
Can you change each word such that the second letters will reveal an eleven-letter word when read downwards?
Therefore, what now reads 'vokahliuppw' will become a real word.
oval
post
skin
malt
when
slab
miss
fund
aped
sped
sway
Puzzle Copyright © Kevin Stone
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Answers
Paperweight.
opal
past
spin
melt
wren
swab
mess
find
aged
shed
stay
Puzzle 199
What number comes next in this sequence:
7 · 8 · 5 · 5 · 3 · 4 · 4 · ?
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Hint
The answer involves months of the year.
Answer
6.
The number of letters each month has, starting with January, therefore August has 6 letters.
Puzzle 200
Can you find the country hidden in the following sentence:
During the recent BrainBashers aquatic contest, the walrus struggled to finish, the sea lion finished second, and the penguin easily won!
Puzzle Copyright © Kevin Stone
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Hint
The country spans more than one word.
Answer
Guinea.
During the recent BrainBashers aquatic contest, the walrus struggled to finish, the sea lion finished second, and the penGUIN EAsily won!
