Puzzle 97
Can you place a different 4-letter word into each of the brackets to create two longer words.
drift[----]wind
home[----]bench
foot[----]mother
court[----]stick
moth[----]room
quarter[----]ground
space[----]yard
wild[----]span
your[----]less
back[----]fighter
In the following example, the word 'book' creates the words 'cookbook' and 'bookcase'.
cook[book]case
Puzzle Copyright © Kevin Stone
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Hint
The first letters of the words are: W, W, S, Y, B, B, S, L, S, F.
Answers
drift[wood]wind
home[work]bench
foot[step]mother
court[yard]stick
moth[ball]room
quarter[back]ground
space[ship]yard
wild[life]span
your[self]less
back[fire]fighter
Puzzle 98
How many hexagon-type shapes, in total, can you find in this puzzle?
Puzzle Copyright © Kevin Stone
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Hint
There are more than 37, look at the different sizes.
Answer
There are 64 hexagon-type shapes in total.
Reasoning
37 single hexagons
+ 19 hexagons that contain 7 smaller hexagons
+ 7 hexagons that contain 19 smaller hexagons
+ 1 large hexagon that contains all of the smaller hexagons.
Puzzle 99
Many years ago, befor modern educashun in the new millenium, one problem in skools was baseic speeling and grammer. To conbat this and rays acheivement, teechers were adviced to start at the very begining, at the yungest age. Once they had managed to breath new life into leessons, progres came quickly, sucess was then garanteed. How many speeling errors would modern skolars identify in this passage?
Puzzle Copyright © Kevin Stone
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Hint
There are over 20 mistakes.
Answer
21.
Reasoning
Many years ago, before modern education in the new millennium, one problem in schools was basic spelling and grammar. To combat this and raise achievement, teachers were advised to start at the very beginning, at the youngest age. Once they had managed to breathe new life into lessons, progress came quickly, success was then guaranteed. How many spelling errors would modern scholars identify in this passage?
Puzzle 100
A large fresh water reservoir has two types of drainage system: small pipes and large pipes.
6 large pipes, on their own, can drain the reservoir in 12 hours.
3 large pipes and 9 small pipes, at the same time, can drain the reservoir in 8 hours.
How long will 5 small pipes, on their own, take to drain the reservoir?
Puzzle Copyright © Kevin Stone
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Hint
How many large pipes are required to drain the reservoir in 24 hours?
Answer
21 hours and 36 minutes.
Reasoning
Looking at the first clue:
in 12 hours, 6 large pipes can drain 1 reservoir
in 24 hours, 6 large pipes can drain 2 reservoirs
(*) in 24 hours, 3 large pipes can drain 1 reservoir
Looking at the second clue:
in 8 hours, 3 large + 9 small pipes can drain 1 reservoir
in 24 hours, 3 large + 9 small pipes can drain 3 reservoirs
But, by (*), we know that in those 24 hours, 3 large pipes can drain 1 of those reservoirs.
Therefore, the other 2 reservoirs can be drained by the small pipes on their own:
in 24 hours, 9 small pipes can drain 2 reservoirs
in 24 hours, 1 small pipe can drain 2/9 reservoirs
multiply the hours by 9:
in 216 hours, 1 small pipe can drain 2 reservoirs
in 216 hours, 5 small pipes can drain 10 reservoirs
divide the hours by 10:
in 21.6 hours, 5 small pipes can drain 1 reservoir
21.6 hours = 21 hours and 36 minutes.
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