Tags » Logic Puzzles

Solution to Puzzle #184: The Sage and the Pharmacist

This was a different kind of puzzle, and I was happy to see the response. I got correct answers from Mahi Saraf, Sahaj Sharma (my nephew from Jaipur) and Pratik Poddar – well done all. 152 more words

Alok Goyal

Puzzle #184: The Sage and the Pharmacist

This is a beautiful riddle that I am borrowing from Alok Mittal’s Mathematical Circles class.

In a far away land, it was known that if you drank poison, the only way to save yourself is to drink a stronger poison, which neutralizes the weaker poison. 256 more words

Alok Goyal

Solution to Puzzle #182: Weights and Balance Once More

This was a difficult puzzle. I got two correct answers – From Suman Saraf and Anahat (Prakhar’s son). Well done, or rather – excellent!

Here is the solution for 5 weights – copying solution from Suman. 154 more words

Alok Goyal

Puzzle #182: Weights and Balance Once More

Somehow puzzles on weights and balances just never end! I found this great one in Martin Gardner’s The Colossal Book of Short Puzzles and Problems. 124 more words

Alok Goyal

Solution to Puzzle #180: White and Black Beans

This was one of the simpler puzzles and I got correct answers from many. This included Mahi Saraf, Anahat (Prakhar’s son), Vishal Poddar, Pratik Poddar and Praneeth. 67 more words

Alok Goyal

Solution to Puzzle #179: Crossing the River

This was a very simple puzzle, and therefore I guess I did not challenge enough minds. I got a correct answer from Mahi Saraf – well done Mahi! 81 more words

Alok Goyal

Puzzle #180: White and Black Beans

This is a wonderful puzzle for all ages from Alok Mittal’s weekly Math Circles class. The puzzle is doable by everyone, so please do try yourself and also have your children try this one. 183 more words

Alok Goyal