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A Math Puzzle
Consider this interesting Math Puzzle http://www.telegraph.co.uk/education/2016/10/19/can-you-solve-this-extremely-difficult-brain-teaser-that-has-fac/?utm_source=dlvr.it&utm_medium=twitter I don’t like their solution (in the website). I prefer Algebra…
Missing Number – Exponent Difference Pattern
Question in image below . . . . . . . . . . . . . ….
Cryptarithm – AB x CD = DDD
Cryptarithm Question Solve AB x CD = DDD where (AB), (CD) are two digit…
Free High School Math Olympiad (546 Problems & Solutions): 1430-Page Complete Collection of 2020–2026 Olympiad Mathematics Solutions by Jonathan Ramachandran (Free PDF Download)
Hi there! Please feel free to share this with anyone and download a copy for your own good…
India UPSC Exam Fill Odd Numbers in Boxes
A plausible explanation Here’s a way: (11-7+9-13) + (1x3x5) + (15) = 30, where each number is used…
Missing Number – Number Bonds Pattern Technique
This sample question is from a well reputed Local Chinese Math Olympiad contest


