00521    a2200145   450000500170000001000150001702000300003203500140006203700130007608200110008924501070010026000610020727000850026830000220035320211221150835.0  aENG-130459  a978-93-89811-48-3c245.00  aEN-113991  bDBAD/PUB  a500b1  aScience and Technology Question Bank:cEdited by Vinay G.BbFor Civil Services Preliminary Examination  aTamill NadubMcGraw Hill Education Private Limitedc2021  a444/1, Sri Ekambara Naicker Industrial Estate, Alapakkam, PorurbChennaie600116  a536p.c24cm (pbk)