O Level Mathematics Challenging Drill Questions Concise Yellowreef

• updated with new questions from top schools & colleges from 2003 – 2013 • complete and true encyclopedia of all question-types • exposes “surprise & trick” questions • complete answer keys • most efficient method of learning, hence saves time • arrange from easy-to-hard by topics and question-types to facilitate easy absorption • advanced trade book • complete and concise eBook editions available • also suitable for • Cambridge GCE OL • Cambridge IGCSE • Cambridge IOL • Books available for other subjects including Physics, Chemistry, Biology, Mathematics, Economics, English • Primary level, Secondary level, GCE O-level, GCE A-level, iGCSE, Cambridge A-level, Hong Kong DSE • visit www.yellowreef.com for sample chapters and more

• according to syllabus for exam up to year 2020 • new questions from top schools & colleges since 2008 – 2017 • exposes “surprise & trick” questions • complete answer keys • most efficient method of learning, hence saves time • arrange from easy-to-hard both by topics and question-types to facilitate easy absorption • full set of step-by-step solution approaches (available separately) • advanced trade book • complete and concise eBook editions available • also suitable for • Cambridge GCE AL (H1/H2) • Cambridge International A & AS Level • Books available for other subjects including Physics, Chemistry, Biology, Mathematics, Economics, English • Primary level, Secondary level, GCE O-level, GCE A-level, iGCSE, Cambridge A-level, Hong Kong DSE • visit www.yellowreef.com for sample chapters and more

• 5 sets of up-to-date ordinary examination papers modelled after the actual examination • answer keys intentionally withheld to simulate actual examination condition • full solutions, mark schemes and exam reports for the questions available separately • best used just before taking the actual examination • complete edition and concise edition eBooks available

• 3 sets of up-to-date ordinary examination papers with actual question-types • answer keys intentionally withheld to simulate actual examination condition • full solutions, mark schemes and exam reports for the questions, available separately • best used just before taking the actual examination • complete edition and concise edition eBooks available

• an expert and complete guide to lead one through abstract knowledge and wisdom • enable accurate, complete and independent self education • holistic question answering techniques • exact definitions • latest mark schemes • most updated exam reports • complete edition and concise edition eBooks available

• Full solutions to question-types from top schools & colleges since 2003 • topical order to facilitate drilling • solutions to complete and thorough encyclopedia of question−types • step-by-step solutions to “trick” questions • tendency towards carelessness is greatly reduced • most efficient method of learning, hence saves time • advanced tradebook • complete edition eBook available • visit www.yellowreef.com for sample chapters and more

• according to syllabus for exam up to year 2017 • provides the expert guide to lead one through this highly demanding knowledge requirement • exposes “surprise and trick” questions • provides teachers’ comments revealing common mistakes & wrong habits • first to implement data-mining to improve learning efficiency • advanced trade book with data-mining and teachers’ comments • buy print edition online at www.yellowreef.com to enjoy attractive discounts • complete eBook edition and concise eBook edition available • also suitable for • Cambridge GCE AL (H1/H2) • Cambridge International AL • Cambridge Pre-University • Books available for other subjects including Physics, Chemistry, Biology, Mathematics, Economics, English • Primary level, Secondary level, GCE O-level, GCE A-level, iGCSE, Cambridge A-level, Hong Kong DSE • Concise eBooks are tailored for quick revision, whereas Complete eBooks are for detailed studies • visit www.yellowreef.com for sample chapters and more

• according to syllabus for exam up to year 2016 • updated new questions from top schools from 2003 - end 2013 • complete encyclopedia of almost 800 questions • exposes “surprise and trick” questions • complete answer keys • full set of step-by-step solution approaches available separately • teachers’ comments revealing common mistakes & wrong habits • advanced trade book • complete edition & concise edition eBooks available • also suitable for • Cambridge OL • Cambridge IGCSE • Books available for other subjects including Physics, Chemistry, Biology, Mathematics, Economics, English • Primary level, Secondary level, GCE O-level, GCE A-level, iGCSE, Cambridge A-level, Hong Kong DSE • visit www.yellowreef.com for sample chapters and more