PaperJack.io is an IIT-JEE, NEET, MHT-CET Test Series System, inspired by the concept of Bloom’s Taxonomy and based on the principles of Test-Based Learning and Diagnostic Teaching approach, allows the students and professors to get reflections from the results through our In-depth Analytical Reports Generated Unit-Chapter-Topic Wise, Bloom's Taxonomy wise, Difficulty Level Wise, and Time-Accuracy Wise..