Tag Archives: Numbers puzzles

Solution to Puzzle #192: Too Many 6’s

This was a difficult manipulation of numbers, and I received 4 answers from Mahi Saraf, Anand Singhi, Pratik Poddar and Prakhar Prakash. Only two of these I found to be completely correct – from Mahi Saraf and Anad Singhi. That … Continue reading

Posted in Solution | Tagged , | 1 Comment

Puzzle #192: Too Many 6’s

This is another beautiful puzzle from A Moscow Math Circle, Week by Week Problem Sets by Sergey Dorichenko. The puzzle will require some manipulation of numbers, but is very solvable and you will be happy that you did it once … Continue reading

Posted in Puzzles | Tagged , | 2 Comments

Solution to Puzzle #189: Blue Eyed Sisters

This was a simple puzzle, and I got correct solutions from Praneeth, Prartik Poddar and Suman Saraf. Well done all. I am borrowing the answer from Suman. For this, the most likely answer is 3 blue eyed out of 4 … Continue reading

Posted in Solution | Tagged , | Leave a comment

Solution to Puzzle #187: Sum as 100

I am back after a break of two weekends in-between during which I moved from Gurgaon to Bangalore. Lets begin with the answer to this puzzle. I received many correct answers – from Anahat Prakash, Deepak Goyal (my brother) and … Continue reading

Posted in Solution | Tagged , | Leave a comment

Puzzle #187: Sum as 100

I seem to be enamoured with this book at the moment, and hence another one from A Moscow Math Circle – Week by Week Problem Sets by Sergey Dorichenko. Is it possible to write more than 50 two digit numbers … Continue reading

Posted in Puzzles | Tagged , | 3 Comments

Solution to Puzzle #183: 8 Digits

This was a relatively simple problem. I was happy to see my 10 year old, Arushi, solve this one. I also got correct answers from Karan Sharma, Mahi Saraf, Anahat Prakash, Pooja Goyal, Pratik Poddar and Suman Saraf. Well done … Continue reading

Posted in Solution | Tagged , | Leave a comment

Puzzle #183: 8 Digits

This is another 2-minute problem that kids will enjoy. Found this one again in Martin Gardner’s The Colossal Book of Short Puzzles and Problems. Look at the figure below, which has 8 empty circles. You need to place digits 1 … Continue reading

Posted in Puzzles | Tagged , | 1 Comment