Articles tagged "Puzzle"

The Critical Line - Volume 11

This edition of The Critical Line is all about magic squares. Take on this challenge, brought to you by Dan Mayoh, for your chance to win a $50 Dymocks voucher!

Critical Line – Volume 10

Welcome back to another year of puzzles and ponderings! In this month’s installment: the Kakeya Needle Problem and Numbered Cones.

The Critical Line: Volume 8

December is upon us, and with that Dan Mayoh has brought us an instalment of the Critical Line that has nothing in particular to do with Christmas. Christmas is for friends and family, but puzzles are for everyone year-round!

Critical Line – Volume 7

In this month's column of The Critical Line: intelligent sorting, generalised rock paper scissors, and efficiency!

The Critical Line: Volume 6

In the spirit of the recent Rio Olympics, we have an Olympic-themed puzzle for you.

The Critical Line: Volume 5

Welcome to the next instalment of the Critical Line! Continuing with the games theme of his previous blackjack related puzzle, Dan Mayoh turns our attention this time to the game of Mastermind.

The Critical Line: Volume 4

In this month’s mathematical musing: the man who knew infinity, interesting integers, nested radicals, and peculiar processes.

Magic Teller Machine Solution

Oliver Chambers outlines the solutions to his Magic Teller puzzle and announces the winner of the first instalment of The Critical Line series.

The Critical Line – Volume 2

In this second instalment of The Critical Line, puzzle champion Dan Mayoh challenges readers to consider the Collatz Conjecture and solve a Blackjack conundrum.

The Critical Line - Volume 1: Hello, World!

Welcome to the first instalment of The Critical Line; the new monthly column dedicated to mathematical musings, transcendental ramblings, statistically independent thought, and most importantly... a plethora of new puzzles.

In the Margin: December 2015 - Goodbye and Good Luck

Editor Genevieve Hayes bids us 'so long and thanks for all the fish'. Thanks Genevieve for puzzling us all these years and keeping us entertained.

In the Margin: December 2015 - Parting is Such Sweet Sorrow

Editor Genevieve Hayes leaves us to figure out her favourite quote of all time in her penultimate puzzle.

In the Margin: November 2015 - Who are you?

Editor Genevieve Hayes puzzles us with a crossword of pseudonyms.

In the Margin: October 2015 - Snakes on a Plane

This month’s puzzle is a snake or slitherlink puzzle. For your chance to win a $50 book voucher, solve the 7 x 7 slitherlink.

In the Margin: September 2015 - a-maze-ing stories

Editor Genevieve Hayes a-maze-s us with a new puzzle.


In the Margin: August 2015 - Two by Two

Editor Genevieve Hayes puzzles us with 35 famous duos.

In the Margin: July 2015 - Beyond QWERTY

Editor Genevieve Hayes challenges us to a puzzling look at the QWERTY keyboard.


In the Margin: June 2015 - Stuck on You

Have you ever become so narrowly focused on one way of solving a problem or task that you are no longer capable of considering any alternative approaches?


Viral Singapore Math Problem

Arun Isaac looks at why one complex and niche logic question from a Singaporean Maths Olympiad was shared and viewed by millions of social media users.

In the Margin: May 2015...Race You to the Top

Move over Sydney. In the battle for the title of Australia’s biggest city, Melbourne is about to knock you from your long-held perch, with the Australian Bureau of Statistics forecasting that Melbourne’s population will outstrip Sydney’s by 2053 (and some people suggesting it will happen much sooner).

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