Puzzle 129
Our local scrap merchant had to travel to the county recycling plant, 60 miles away.
On the way there, the wagon was fully laden, so could only manage a steady 12mph.
On the way back, the wagon was much lighter and could manage a steady 16mph.
The wagon started with 24 gallons of fuel in the tank ready for the round trip, which was easily enough fuel as the wagon managed to travel 8 miles for each gallon.
Unfortunately, a piece of metal had pierced the fuel pipe at the very start of the trip, and the wagon began to lose 1 gallon of fuel every hour.
Luckily, it only lost fuel when moving and lost no fuel while unloading the scrap metal.
Were the 24 gallons enough for the entire round trip?
Puzzle Copyright © Kevin Stone
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Puzzle 130
Moving up or right, what is the largest total you can make, using the mathematical signs along the way?
| + | 4 | – | 2 | + | 2 |
| 2 | + | 2 | – | 2 | + |
| – | 1 | + | 2 | – | 4 |
| 2 | – | 1 | + | 1 | – |
| + | 1 | – | 2 | + | 3 |
| 3 | + | 3 | – | 4 | + |
Note: this puzzle is not interactive, and the numbers cannot be clicked.
Puzzle Copyright © Kevin Stone
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Puzzle 131
Which word is the odd one out?
erah reed yenkom tibbar tac tesomram gip
Puzzle Copyright © Kevin Stone
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Puzzle 132
In each of these sentences, can you replace the missing number.
The number is written as a word (e.g. five, twenty-four, thirty-three), and each sentence is correct after the replacement.
This sentence contains exactly ? E's and not one more.
However, this sentence contains exactly ? S's, with a single Z.
Finally, to finish, this sentence has exactly ? I's.
Puzzle Copyright © Kevin Stone
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