00278nam a2200109Ia 450000500170000000800410001708200180005810000130007624500330008926000380012230000080016020260205052306.0260111s9999||||xx |||||||||||||| ||und||  a510.076  Q38D  aDubey, M 0aQuestion bank in mathematics  aNew DelhibTata McGraw Hillc1995  a531