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Mathematical Puzzles


Difficulty: MediumPuzzle 25

Puzzle IconThe local library decided to hand out some of its old books to its 1400 borrowers.

To each of the female borrowers they gave 6 books and to each male borrower they gave 4 books.

If only half of the females in town and three quarters of the males in town accepted the books, how many books were given away?

[Ref: ZNXG] © Kevin Stone

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Difficulty: EasyPuzzle 26

Puzzle IconAt dawn on Monday a snail fell into a bucket that was 12 inches deep.

During the day it climbed up 3 inches, however, during the night it fell back 2 inches.

On what day did the snail finally manage to climb out of the bucket?

[Ref: ZQGM]

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Difficulty: MediumPuzzle 27

Puzzle IconA farmer was asked how many chickens he had sold at market that day.

His reply was:

"I've had four customers today, and each bought half of my remaining chickens, plus a half chicken."

The farmer sold all of his chickens at market that day. How many chickens did the farmer sell?

[Ref: ZVAK] © Kevin Stone

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Difficulty: MediumPuzzle 28

Puzzle IconI am compiling the new BrainBashers world almanac and it now contains lots more pages.

I know that it takes 333 digits to print the page numbers in sequence.

How many numbered pages does the book have and how many times does the number 3 appear?

[Ref: ZNWV] © Kevin Stone

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