Hi, we know you need Karachi Board Math past papers for 9th Class, Matric, SSC Level, O-Level, and IX. The highly Professional Prof. Dr. Muhammad Riaz made these past papers that spent12 years in Punjab University Lahore. These past papers follow the Sindh textbook Board and are free to download on your phone. We upload Math latest edition papers by the Sindh Curriculum Board (STBB), Karachi. Do you want to download it? Click the blue download button above to start downloading in a few seconds. These past papers contain questions from the BISE Karachi Boards. Sindh Curriculum and Textbook Board (STBB) is currently using these past exams for the upcoming exams.