00286nam a2200109Ia 4500008004000000082001600040100001800056245003900074260004000113300000800153650001500161210210b1966   xxu||||| |||| 00| 0 eng d  a510.02 MUKP  aMUKHERJI (J).  aProblems in practical mathematics.  aCalcuttabAcademic publishersc1966  a314  aICWA maths