Puzzle 441
How much soil is there...
...in a circular hole 2 metres deep and 1 metre across?
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Hint
How much soil is in any hole?
Puzzle 442
Astrology begins with the letter A, biology with B.
Can you find an 'ology' that begins with a P and another that begins with an L?
Puzzle Copyright © Kevin Stone
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Hint
One is the study of fossils.
Answer
Palaeontology, the study of fossils and Limnology, the study of lakes and rivers. There are others you might have chosen.
Puzzle 443
At the recent BrainBashers code-breaking convention, Billie Brisk won the speed contest.
The following sentence was deciphered in a record time of 123 seconds.
What was the well-known saying and how has it been encrypted?
MOOT CYNA SKOO IOPS EHTL TORB YCBH
Puzzle Copyright © Kevin Stone
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Hint
The first word begins with T.
Answer
Too many cooks spoil the broth.
Reasoning
The saying has been broken down into blocks of 4, the last block has been filled with dummy letters. Each block has then been reversed.
Double-Checking
Start with:
TOO MANY COOKS SPOIL THE BROTH
Group together:
TOOMANYCOOKSSPOILTHEBROTH
Split into groups of 4 letters:
TOOM ANYC OOKS SPOI LTHE BROT H
Add 3 random characters:
TOOM ANYC OOKS SPOI LTHE BROT HBCY
Reverse each group of 4 letters:
MOOT CYNA SKOO IOPS EHTL TORB YCBH
Puzzle 444
Be My Valentine - Logic Puzzles
Freddie was in love with three girls from his school! He couldn't decide which one he wanted to give his heart to so he sent all three a Valentine's card. But poor Freddie was out of luck, as each girl thought the card came from someone else and Freddie was left on the sideline.
From the clues below, can you work out the name of each potential sweetheart, the colour of each card Freddie sent and the name of the boy each girl believed the card was sent by?
Unluckily for Freddie, when Miss Jetson received her card, she thought it was from Adam.
When Molly received her blue coloured card, she told Miss Hanson and together they worked out who the card was from. It didn't occur to either of them that it was from Freddie!
The girl who received the red card was convinced it came from Ethan.
Neither Millie nor Miss Motson received a pink card.
First Names: Lily, Millie, Molly
Surnames : Hanson, Jetson, Motson
Colours : Blue, pink, red
Boys : Adam, Dylan, Ethan
Puzzle Copyright © Rodins Ltd
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Hint
Start by using (2) and (4) to find who received the pink card.
Answer
Lily Jetson Pink Adam
Millie Hanson Red Ethan
Molly Motson Blue Dylan
Reasoning
By (2), Molly received the Blue card:
Lily
Millie
Molly Blue
We now know that Molly didn't receive the Pink card, and by (4), neither did Millie, which means that Lily received the Pink card (and Millie received the Red):
Lily Pink
Millie Red
Molly Blue
By (4), the two girls who didn't receive the Pink card are Millie and Miss Motson, and we already know that Millie and Molly didn't receive the Pink Card, which means that Molly is Miss Motson.
Lily Pink
Millie Red
Molly Motson Blue
By (3), the Red card was thought to have come from Ethan:
Lily Pink
Millie Red Ethan
Molly Motson Blue
By (1), Miss Jetson's card was thought to have come from Adam, this can't be Molly (Motson), nor Millie (Ethan). So it must be Lily Jetson:
Lily Jetson Pink Adam
Millie Red Ethan
Molly Motson Blue
The puzzle can now be completed:
Lily Jetson Pink Adam
Millie Hanson Red Ethan
Molly Motson Blue Dylan
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