OAT Destroyer 2020 (includes Physics)

The 2020 OAT Destroyer edition includes Orgo 402, GC 447, Bio 782 and QR 173 , 140 Physics problems and solutions. Also including the most asked Orgo Reactions  and Bio Mnemonics . The book is questions, ab,c, d, e choices and very detailed solutions that are very similar to the actual OAT.