Puzzle 389
Exactly how many minutes is it before eight o'clock if …
… 40 minutes ago, it was three times as many minutes past four o'clock?
Puzzle Copyright © Kevin Stone
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Hint
How many minutes are between the times?
Answer
50 minutes.
Reasoning
If we call the number of unknown minutes T.
Between four o'clock and eight o'clock, there are 240 minutes.
There is some point between these two times, before which we have 3 lots of T, and after which we have one lot of T plus 40 minutes.
Therefore, in the 240 minutes, there are 4 lots of T plus 40 minutes.
240 = 4 x T + 40.
Therefore, T = 50 minutes.
Puzzle 390
Can you find the country hidden in the following sentence:
Alex's aches and pains felt worse because of swollen glands that had flared up during the night, perhaps a tonic would help?
Puzzle Copyright © Kevin Stone
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Hint
The country spans more than one word.
Answer
England.
Alex's aches and pains felt worse because of swollEN GLAND s that had flared up during the night, perhaps a tonic would help?
Puzzle 391
Below are ten words that have been split in half.
The first column has the first 2 letters, and the second column has the last 2 letters.
Can you pair the letters and remake the ten common words?
bo af
br re
fo ne
go af
ho ke
jo ew
le ud
lo am
lo nd
so pe
Puzzle Copyright © Kevin Stone
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Hint
One of the words is GONE.
Answers
bo + nd = bond
br + ew = brew
fo + am = foam
go + ne = gone
ho + pe = hope
jo + ke = joke
le + af = leaf
lo + af = loaf
lo + ud = loud
so + re = sore
If we remove the restriction of remaking common words, alternative answers can be found using: foud, goaf, leud, sone.
Puzzle 392
Can you find a 5-digit number …
… whose digits add up to 18 and whose product is 210 and the digits increase from left to right in the number?
Puzzle Copyright © Kevin Stone
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Hint
Break down 210 into its factors.
Answer
12357.
Reasoning
Since 210 = 2 x 3 x 5 x 7, 12357 is the only way to get a 5-digit number, in ascending order.
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