Puzzle 1
Two friends were driving from their home to Manchester, Alex drove the first 90 miles, and Billie took over for the remainder of the journey.
On the way back, Alex drove to begin with, and Billie took over for the last 100 miles.
Who drove the furthest?
Puzzle Copyright © Kevin Stone
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Hint
It doesn't matter how far it was to Manchester, so you can use any distance.
Answer
Billie.
Reasoning
If we call the one way distance T, we know that:
On the way there, Alex drove 90 miles, and Billie drove (T − 90) miles.
On the way back, Alex drove (T − 100) miles, and Billie drove 100 miles.
So, in total, both ways:
Alex drove 90 + (T − 100)
= T − 10
Billie drove (T − 90) + 100
= T + 10
Therefore, Billie drove 20 miles more than Alex.
Puzzle 3
My BrainBashers electronic world atlas has developed another fault, I did a listing of miles from England to particular countries and here is the result:
Chile 800 miles
Wales 4,200 miles
France 1,100 miles
Italy 3,400 miles
How far away did it list Scotland as?
Puzzle Copyright © Kevin Stone
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Hint
Look at the first and last letters.
Answer
2,300 miles.
Take the alphabetic position of the first and last letters, add them together and multiply by 100. S = 19, D = 4, 19 + 4 = 23, 23 x 100 = 2,300.
Puzzle 4
What comes next in this sequence:
dog · cat · mouse · mole · deer · pig · ?
Choose from:
llama, cow, rabbit, frog
Puzzle Copyright © Kevin Stone
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Hint
The list is related to numbers.
Answer
Llama.
The length of each word is the same length as the numbers one, two, three, four, five, six, etc.
The next number is SEVEN, which has 5 letters, and llama is the only word with 5 letters.
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