Tags » Logic Puzzles

May Puzzles

MAY 2015 SKEPTICAL CROSSWORD PUZZLE has General Skepticism as its theme and comes with a choice of standard or cryptic clues.

Here’s a set of… 62 more words

Announcements - Vic Skeptics

Solution to Puzzle #99: World’s Most Famous Puzzle Currently

This was a relatively simple puzzle and I received many correct solutions to this puzzle. Ritesh, one of my colleagues, was the first one to respond in literally 30 seconds. 239 more words

Alok Goyal

Puzzle #99: World's Most Famous Puzzle Currently!

I am simply amazed how one single puzzle has proliferated across the social media in the last 10 days – the puzzle from Singapore, popularized by Alex Bellos’ blog in The Guardian. 181 more words

Alok Goyal

Solution to Puzzle #98: How Many Days to be Disease Free

Thanks again to Pallav for the puzzle – as I mentioned earlier, one of my favorites and a wonderful concept of mathematical induction to be taught to children. 156 more words

Alok Goyal


Many of you have undoubtedly heard by now the math puzzle about Cheryl’s birthday which has been sweeping across the internet.  I appeared on CNN on Wednesday to explain the solution — … 3,138 more words

Recreational Math

Puzzle #98: How Many Days to be Disease Free

Thanks to Pallav for yet another very interesting, and in this case, a classic puzzle. My 11th grade chemistry teacher, Mr. Gopinath, had given it to me, and I love this puzzle. 149 more words

Alok Goyal

Solution to Puzzle #97: Pirates and Gold Coins - Part II

I did not get as many correct answers to this puzzle as I had expected. Many people gave an answer which can work, but only Karan Sharma, my nephew, gave me a full answer. 52 more words

Alok Goyal