Can you solve our festive feast of four logic puzzles?

By Rob Eastaway, Alison Kiddle, Colin Beveridge and Steve Wain

#143 X marks the Spot

(set on 11 December) Solution

The patio requires 196 white tiles and 29 black tiles. Here’s why:

Suppose the patio is a k × k square containing a total of k2 tiles. If k is odd we need 2k – 1 black tiles and so k2 – 2k + 1=(k – 1)2 white tiles (a square number); and if k is even, (k – 1)2 – 1 (which is one less than a square). But no permutation of 1, 6 and 9 is one less than a square; so we are looking for …

Note: This article have been indexed to our site. We do not claim legitimacy, ownership or copyright of any of the content above. To see the article at original source Click Here

Alpha Grillers Meat Thermometer Digital - Instant Read Food Thermometer for Cooking Grilling Air Fryer Griddle Probe Kitchen Gadgets Essentials BBQ Accessories Grill Gifts for Men Him Dad Fathers Day

(72843)

$14.82 (as of March 12, 2025 20:22 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)

Schylling NeeDoh Nice Cube -Sensory Squeeze Toy with Super Solid Squish - 2.25" Cube

(115)

$12.50 (as of March 12, 2025 19:46 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)

The Lounge Wagon – The Only Wagon That Converts into a 2-Person Chair - 3-in1 cart - Included Cargo net- Ultimate…

(156)

$399.95 (as of March 12, 2025 19:47 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)

Amazon.com Gift Card in Various Gift Boxes

(117000)

$25.00 (as of March 12, 2025 19:47 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)

Pyrex Essentials (3-Pack) Glass Measuring Cups Set, (1, 2 & 4 Cup) Measuring Cups For Prepping, Baking and…

(59054)

$25.99 (as of March 12, 2025 19:47 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)