Puzzle 1
Astrology begins with the letter A, biology with B.
Can you find an 'ology' that begins with a P and another that begins with an L?
Puzzle Copyright © Kevin Stone
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Hint
One is the study of fossils.
Answer
Palaeontology, the study of fossils and Limnology, the study of lakes and rivers. There are others you might have chosen.
Puzzle 2
Can you fill the thermometers with mercury, such that the numbers outside the grid indicate how many cells in each row and column contain mercury?
Mercury always starts filling from the bottom of a thermometer and not every thermometer has to contain mercury.
Puzzle Copyright © Johan de Ruiter
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Hint
Tops of thermometers can't be filled unless the bottoms are.
Answer
Puzzle 3
Which is larger:
seconds in a week
feet in 100 miles
Puzzle Copyright © Kevin Stone
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Hint
There are three feet in a yard, and 1,760 yards in a mile.
Answer
Seconds in a week.
Reasoning
There are 60 x 60 x 24 x 7 = 604,800 seconds in a week.
There are 3 x 1760 x 100 = 528,000 feet in 100 miles.
Puzzle 4
Albert married Carol.
Steven married Katie.
Bob married Virginia.
Who did Simon marry: Teresa, Charlotte or Lisa?
Puzzle Copyright © Kevin Stone
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Hint
How many letters does each name have?
Answer
Simon married Teresa: their names have 11 letters when combined.
