Puzzle 57
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 58
Which word is the odd one out?
erah reed yenkom tibbar tac tesomram gip
Puzzle Copyright © Kevin Stone
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Hint
Try reading the words backwards.
Answer
yenkom.
Reasoning
The others are the names of animals spelled backwards:
hare, deer, rabbit, cat, marmoset, pig.
But YENKOM is not quite the reverse of MONKEY.
Puzzle 59
A very long time ago, at the beginning of the week, I was given some money for my birthday.
On Monday, I spent a quarter of the money on clothes.
On Tuesday, I spent one third of the remaining money on music.
On Wednesday, I spent half of the remaining money on games.
Finally, on Thursday, I spent the last £12.50 on a book.
How much birthday money did I receive?
Puzzle Copyright © Kevin Stone
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Hint
It might be easier to work backwards.
Answer
£50.
Reasoning
Working backwards:
On Thursday, I had £12.50.
On Wednesday, I had £12.50 x (1 ÷ one half) = £25.
On Tuesday, I had £25 x (1 ÷ two thirds) = £37.50.
On Monday, I had £37.50 x (1 ÷ three quarters) = £50.
Puzzle 60
Each of the following sets of letters can be made into a real word by adding three letters to the beginning, and the same three letters in the same order to the end.
ertainm
iscove
row
ioxid
rocos
For example:
iperspir
??? + iperspir + ???
ant + iperspir + ant
antiperspirant
Puzzle Copyright © Elliott Line This puzzle appeared in Mensa's EnigmaSig (203.08) and is used with permission.
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Hints
The first letters of the words are: E, R, I, A, M.
Answers
ent + ertainm + ent = entertainment
red + iscove + red = rediscovered
ing + row + ing = ingrowing
ant + ioxid + ant = antioxidant
mic + rocos + mic = microcosmic
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