Puzzle 9
Can you circle exactly three numbers that add to 17?
Note: this puzzle isn't interactive, and the numbers can't be clicked.
Puzzle Copyright © Kevin Stone
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Hint
There is a little trick to this puzzle.
Answer
2 + 13 + 2 = 17.
The puzzle didn't ask for three digits to be circled!
Puzzle 10
Take a word from the first column, and a word from the second column.
You will now have 6 lots of eight letters, and each of these eight letters is an anagram of something that lives in water.
dish leek
tray shoe
raft sign
cram golf
ears fern
loud hiss
Puzzle Copyright © Kevin Stone
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Hint
Try: dish + golf, tray + sign, raft + hiss.
Answers
dish + golf = goldfish
tray + sign = stingray
raft + hiss = starfish
cram + leek = mackerel
ears + shoe = seahorse
loud + fern = flounder
Puzzle 11
After a day picking strawberries, I ended up with a full basket, which is always nice.
I ate 5, and then gave Alex half of the remaining.
I ate another 3, and then gave Billie one third of the remaining.
I ate another 6, and then gave Charlie two thirds of the remaining.
I now had 34 strawberries left. How many did I start with?
Puzzle Copyright © Kevin Stone
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Hint
Try working backwards.
Answer
335 strawberries.
Reasoning
Working backwards...
I ended up with 34 strawberries, so I had 102 before giving Charlie two thirds.
I ate 6 myself, so I had 108 before I ate those.
I had 108 strawberries, so I had 162 before giving Billie one third.
I ate 3 myself, so I had 165 before I ate those.
I had 165 strawberries, so I had 330 before giving Alex one half.
Ate 5 myself, so I had 335 before I ate those.
Therefore, I started with 335 strawberries.
Double-Checking
I started with 335.
I ate 5, leaving 330.
I gave Alex half (165), leaving 165.
I ate 3, leaving 162.
I gave Billie one third (54), leaving 108.
I ate 6, leaving 102.
I gave Charlie two thirds (68), leaving 34.
Puzzle 12
What comes next in this sequence:
elgnairt erauqs nogatnep nogaxeh nogatpeh {?}
Puzzle Copyright © Kevin Stone
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Answer
nogatco.
These are geometric shapes, the number of sides increases, and the words are reversed.
3 elgnairt = triangle
4 erauqs = square
5 nogatnep = pentagon
6 nogaxeh = hexagon
7 nogatpeh = heptagon
8 nogatco = octagon
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