00455nam a22001577a 450000500170000001000150001702000250003203500140005703700130007108200110008410000180009524500610011326000380017427000650021230000200027720170821122408.0  aENG-119733  a9788179664247c65.00  aEN-103265  bDBAD/PUB  a793.73  aRajaraman, R.  a500 puzzles to improve your thinking /cby  R. Rajaraman  aChennaibEmerald Publishersc2016  a15 A, First Floor, Casa Major Road, Egmore,bChennaie600008  a73p.c22cm(pbk)