*Mary has a cat, and a rat, and a hat, and a mat.*

* If the cat is on the mat, and rat is in the hat, but the hat is on the mat, where is the rat?* 38 more words

*Mary has a cat, and a rat, and a hat, and a mat.*

* If the cat is on the mat, and rat is in the hat, but the hat is on the mat, where is the rat?* 38 more words

This was a very counterintuitive puzzle, and a relatively difficult one, though one does not need to know any specific mathematical construct for it. Only two people (father – daughter pair) got the correct answer – Mahi and Suman Saraf! 301 more words

This is a very old puzzle. I remember this puzzle being asked by my Chemistry teacher in Class XI – Dr. Ravi Gopinath, someone was has had a strong influence in my passion for puzzles. 184 more words

This puzzle is a variation of a puzzle I had posted very early (amongst my first 10 posts). It is very simple, and intended for children. 135 more words

This was a truly “hatke”or a “wierd” puzzle. Unfortunately as it turned out the answer is not very elegant and not very “correct” either. That said, it was a good exercise to exercise the brain, and I got the best attempt from Suman Saraf. 138 more words

Welcome back, and a very happy new year to all of you. Lets start with a new puzzle before I post solutions to previous problems. I will begin this week with a very nice puzzle from the NSA collection. 218 more words

** January 2017 Skeptical Crossword** is about General Skeptical issues.

77-january-2017-crossword-general-skeptical-issues [.pdf form]

** January 2017 Logic & Maths Problems **

54-logic-and-maths-puzzles-january-2017 [.pdf form] has ten new problems of varying degrees of difficulty… 55 more words