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Tag Archives: Geometry puzzles
Solution to Puzzle #100: The 100 Square Rug Puzzle
My apologies for vanishing after posting the prize puzzle – I was traveling for the last 3 weekends and hence did not have a chance to post the answer. Overwhelming response, and I am amazed by the abundance of brilliance … Continue reading
Puzzle #100: The 100 square rug puzzle (Prize Puzzle)!
Never imagined when I started 2 years back that I will be posting 100 puzzles at some time…thanks to all readers for continuous engagement and encouragement! Here goes the 100th one…will reveal the original source when I post the answer. … Continue reading
Solution to Puzzle #93: Slice a Pizza Within a Cricket Team
I got a lot of correct responses for this puzzle. My real intent was to see how children/ other people can apply a concept learnt earlier to new problems. Many people sent me correct answers that include Anupam Jain, Abhinav … Continue reading
Puzzle #93: Slice a Pizza Within a Cricket Team
Here is a world cup cricket puzzle, the text modified from an original one from http://www.mindcipher.com In Australia, the Indian cricket team was not able to get anything to eat, and were finally able to get one large circular vegetarian … Continue reading
Solution to Puzzle #92: Connecting the Four Corners of the Square
Very good response to the puzzle, and lot of people sent me answers. The most common answer was that we should connect the two diagonals, which 2*sqrt(2) = 2.82 km. However, as it so happens, there is an answer which … Continue reading
Puzzle #92: Connecting the Four Corners of a Square
This is a beautiful geometry puzzle that my friend, Alok Mittal, gave to children in his Mathematical Circles class yesterday. There are four towns at the corners of a perfect square with a side of 1 km. Your task is … Continue reading
Solution to Puzzle #69: CAT a Century
This was a relatively simple puzzle, many people sent me correct answers. Anirudh Baddepudi, Anavi Baddepudi and Praveen Baddepudi all got back with correct answers with slight variations. Anoop Agrawal, Vivek Shah, Rhea Mittal and Mihir also got back with … Continue reading
Puzzle #69: CAT a Century!
This is a wonderful 2-minute teaser I picked up from Martin Gardner’s “The Colossal Book of Short Puzzles and Problems”. In the end of the book he has a chapter titled “Twelve More Brain Teasers”, which has 12 problems he … Continue reading
Solution to Puzzle #56: Toothpick Giraffe Problem
This was a relatively simple puzzle, and most people told me that they were able to do this in less than a minute. Pawan Nijhawan from Udaipur was the first one to come back with a correct answers. Others included … Continue reading
Puzzle #56: Toothpick Giraffe Puzzle
Found this cute brain teaser from a website (http://mesosyn.com/), though the original is a Martin Gardner puzzle that appeared in New York Times. Five toothpicks form the giraffe shown above. Change the position of just one pick and leave the … Continue reading
Alok Goyal's Puzzles Page 