Puzzle 153
During the recent BrainBashers cipher convention, a Morse code contest took place.
The contest consisted of a Morse code transmission where the spaces between the letters and words were missing.
Can you find the ten animals?
Luckily, BrainBashers has provided you with a list of the Morse code characters:
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Puzzle Copyright © Kevin Stone
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Hint
The first letters of the words are: R, S, D, E, C, W, Z, A, M, D.
Answers
Rabbit
Squirrel
Donkey
Elephant
Cat
Weasel
Zebra
Aardvark
Mouse
Dog
Puzzle 154
Starting in the bottom left corner and moving either up or right, adding up the numbers along the way, what is the largest sum that can be made?
| 2 |
3 |
6 |
2 |
4 |
| 2 |
3 |
1 |
5 |
1 |
| 6 |
1 |
1 |
1 |
7 |
| 5 |
3 |
5 |
2 |
2 |
| 3 |
2 |
7 |
2 |
3 |
Note: this puzzle is not interactive, and the squares cannot be clicked.
Puzzle Copyright © Kevin Stone
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Hint
The answer is not 31.
Answer
The largest sum that can be made is 34.
Puzzle 155
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 156
What 5-digit number am I thinking of?
It has two prime digits.
Digit 3 is the highest digit.
Digit 2 is the lowest digit.
Digit 1 is higher than the sum of digits 4 and 5.
Digit 5 is half of digit 4.
Digit 1 is one smaller than digit 3.
Digit 5 is between digit 2 and digit 1
The digit 0 doesn't appear, and there are no duplicates. Don't forget that 1 isn't prime, the prime numbers start with 2, 3, 5...
Puzzle Copyright © Kevin Stone
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Hint
What can digits 4 and 5 be?
Answer
71842.
Reasoning
The number can be represented as:
- - - - -
By (5), Digit 5 is half of Digit 4, so we have four possibilities:
- - - 2 1
- - - 4 2
- - - 6 3
- - - 8 4
By (4), Digit 1 is higher than the sum of Digit 4 and Digit 5, so we can eliminate two possibilities, leaving:
- - - 2 1
- - - 4 2
By (7), Digit 5 is between Digit 2 and Digit 1, so we can eliminate - - - 2 1, leaving:
- - - 4 2
By (4), Digit 1 must be higher than the sum of Digit 4 and Digit 5, so we have three possibilities:
7 - - 4 2
8 - - 4 2
9 - - 4 2
By (6), Digit 1 is 1 smaller than Digit 3 we can eliminate 9 - - 4 2, and fill in Digit 3, leaving:
7 - 8 4 2
8 - 9 4 2
By (3), Digit 2 is the lowest digit, and must be 1:
7 1 8 4 2
8 1 9 4 2
By (1), the only possibility is:
7 1 8 4 2
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