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Meritnation.com offers study material and preparatory notes for class 9 math OTBA. Students of CBSE class 9 math can access downloadable notes and detailed extracts for OTBA preparation. Class 9 math topics like 'Solving Mystery of messed up fields' and 'Quadrilaterals in Architecture, WAH TAJ!' have been customised for class 9 math OTBA preparation. Graphic illustrations, simplified tables and charts help students aim for higher scores in SA II math exam. With the help of unlimited OTBA class 9 math sample papers, practice questions and model answers, class 9 math becomes more than a mere academic subject for students.