AMAZON DESCRIPTIONThis Combo Set Consists of:NCERT Exemplar Class 09th ScienceNCERT Exemplar Class 09th MathematicsThe Unique Features of These Books Are:Precise and detailed solutions to all the questions given in the NCERT Exemplar textbookEach solution is complemented by explanatory notes and authentic explanationsThinking process provides simple steps to approach and solve the questionConcept Insight explains the main ideas and concepts needed to answer the questions correctlyAlternate Method provides additional approaches to solve a problemMistake Alert points out common mistakes students might make and helps them avoid these errorsNotes highlight important points and useful tips to make learning easier