Math problems

    I recently joined Northwestern University Math Problem Solving Group where problems proposed in magazines like Math Horizons, College Mathematics Journal, the Mathematics Magazine, Pi Mu Epsilon Journal, and Harvard College Mathematics Review are posted. Here are some of my proposed solutions to following problems.

     1) AMM 11322    2) AMM 11326    3) CMJ 859    4) CMJ 868    5) CMJ 870    6) HMCR f07-4   

     7) MH S122    8) MM 1783    9) MM 1784    10) MM 1785 11) MM_1789.pdf 12) MH_214.pdf