Puzzle 17
A large freshwater 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.
6 small pipes, on their own, can drain the reservoir in 18 hours.
How long will 6 large pipes and 6 small pipes take to drain the reservoir?
Puzzle Copyright © Kevin Stone
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Puzzle 18
What three-letter word best completes the below words?
sw---
---y
al---
f---
w---
Puzzle Copyright © Kevin Stone
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Puzzle 19
Can you find every occurrence of the word LOVE that appears in this grid (horizontally, vertically, or diagonally)?
The hint will reveal the number of times it occurs, but where are they?
Note: this puzzle is not interactive, and the letters cannot be selected.
Puzzle Copyright © Kevin Stone
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Puzzle 20
Starting with a five-letter word, change one letter to create a new word.
This word is then changed by one letter to create another new word.
These words in turn mean:
a gaggle of geese
a device for measuring time
what you can do with a mouse
a baby chicken
a device to prevent wheels from moving
a surprise
a small house
a pile of cards
a small piece of wood
unable to move
Puzzle Copyright © Kevin Stone
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