00281nam a2200109Ia 4500008004100000020001500041082001600056100001800072245002600090260004100116300001400157220610s9999    xx            000 0 und d  a8121924987  a153.94bAGG  aAggrawal  R S  aQuantitative Aptitude  aNew DelhibS Chand Publicationc2012  a726 PbPB