#### RMM-TRIANGLE MARATHON 601-700

100 Solved Geometry Problems RMM-TRIANGLE MARATHON 601-700.compressed

#### RMM-CYCLIC INEQUALITIES MARATHON 301-400

100 Solved Cyclic Inequalities RMM-CYCLIC INEQUALITIES MARATHON 301-400.compressed

#### TOP 10+ MATHEMATICAL PUZZLES

MathNote by Daniel Hardiski-USA TOP 10+ MATHEMATICAL PUZZLES.compressed

#### RMM-TRIANGLE MARATHON 501-600

100 SOLVED PROBLEMS RMM-TRIANGLE MARATHON 501-600.compressed

#### RMM-CYCLIC INEQUALITIES MARATHON 201-300

100 SOLVED CYCLIC INEQUALITIES RMM-CYCLIC INEQUALITIES MARATHON 201-300.compressed

#### A REMARKABLE CONCURRENCY PROBLEM

Article by Dana Heuberger-Romania The article was also published in Argument-Magazine 19-2017 A REMARKABLE CONCURRRENCY PROBLEM