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Tag Archives: Alok Goyal
Puzzle #161: Lost Car Key Puzzle
This is a very nice probability puzzle, variations of which we have done in the past. This one is contributed by Suman Saraf – Thanks Suman! I drive to work, and put my car keys in my pocket. Whenever I … Continue reading
Solution to Puzzle #159: Winning Strategy With Coins
This was indeed a beautiful puzzle, thanks again Prateek! Apologies that I could not post anything last weekend, I was traveling. I got correct answers from Suman Saraf, Pratik Poddar and Shruti Mittal – well done all. Reproducing the answer … Continue reading
Puzzle #160: $50 for All
This is yet another beautiful puzzle from the NSA collection! At a work picnic, Todd announces a challenge to his coworkers. Bruce and Ava are selected to play first. Todd places $100 on a table and explains the game. Bruce … Continue reading
Solution to Puzzle #158: Trees in a Row
This was a simple puzzle, though I did not get as many answers as I would have liked to. That said, I had only done one possible answer, but trust some of the puzzle gurus to send in some really … Continue reading
Puzzle #159:Winning Strategy with Coins
This is a beautiful puzzle contributed by an ex-entrepreneur, Prateek Agarwal, who I met a few weeks back – thanks Prateek. You and your friend are playing a turn based game. There is a circular table of diameter 10cm and … Continue reading
Solution to Puzzle #157: Journey of a Monk
This was a very nice puzzle – not an easy one and as such I received answers from the classical die hards. People who sent the correct answers include Suman Saraf and his daughter (I think age 10!), Sid Mulherkar, … Continue reading
Puzzle #158: Trees in a Row
A very nice riddle contributed by Abhinav Jain, which appeared in Delhi Times. Thanks Abhinav. A man bought 10 trees from a local nursery.He wants his gardener to plant the 10 trees in 5 rows with 4 trees in each … Continue reading
Solution to Puzzle #156: Area of the 8th Block
Thanks Suman again for this lovely puzzle. The usual suspects came back with the right answer – Karan, Sid Mulherkar and Abhinav Jain (and I am not counting Suman or his daughter on this one). Was a simple puzzle, but … Continue reading
Puzzle #157: The Journey of a Monk
Thanks to Abhinav Jain for this wonderful puzzle! One morning at 6 am, a monk began climbing a tall mountain, which happened to only have one path to the top. He ascended the path at his leisure, taking some stops … Continue reading
Puzzle #156: Area of the 8th Block
This is a beautiful puzzle contributed by Suman Saraf – thanks Suman! A wooden block is divided into eight smaller blocks by the three cuts, as shown in the figure. The areas of the seven visible blocks are labeled. What … Continue reading
Alok Goyal's Puzzles Page 