Puzzle 197
Which four vegetables have been merged together?
cab swe rpr eed oaa etn
Puzzle Copyright © Kevin Stone
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Hint
The first letters of the words are: C, S, P, B. One of the vegetables is another word for rutabaga.
Answer
Carrot, swede, pea, bean.
Swede is another word for rutabaga.
Puzzle 199
Which is larger:
fathoms in a kilometre
hours in a month
Puzzle Copyright © Kevin Stone
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Answer
Hours in a month.
Reasoning
A fathom is 6 feet, which is 1.8288 metres.
So there are 1000 ÷ 1.8288 ≈ 546.8 fathoms in a kilometre.
The shortest month has 28 x 24 hours = 672.
So even the shortest month has more hours than there are fathoms in a kilometre.
Puzzle 200
Using a tap, a seven gallon container, and an eleven gallon container, can you measure exactly 9 gallons?
You may empty the containers down the drain.
Puzzle Copyright © Kevin Stone
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Hint
Start by filling the 11 gallon container.
Answer
Here are the contents of the containers after each stage:
A B
0 11 fill B
7 4 fill A from B
0 4 empty A
4 0 fill A from B
4 11 fill B
7 8 fill A from B
0 8 empty A
7 1 fill A from B
0 1 empty A
1 0 fill A from B
1 11 fill B
7 5 fill A from B
0 5 empty A
5 0 fill A from B
5 11 fill B
7 9 fill A from B
0 9 empty A
This leaves 9 gallons in container B.
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