Question: Do you know of a test preparation system that includes a large question bank and allows students to customize their practice sets and track progress?

If you're looking for a comprehensive test preparation system with a large question bank and customizable practice sets, R.test could be a good option. This AI-powered diagnostic test platform offers more than 1500 practice questions and lets students create their own test sets and track their progress. It also offers detailed analytics reports with step-by-step visual explanations, so it's a good option for SAT and ACT test prep.

Another powerful option is Monic.ai, an all-in-one study platform that uses AI to create personalized study materials. It includes a quiz maker, smart practice modes, and summary generator, and covers a broad range of subjects. The platform accommodates different learning styles and offers flexible pricing, so it's good for students, teachers and professionals.

If you're an educator or ed-tech company looking for a way to create high-quality question papers fast, PrepAI is a good option. It uses sophisticated AI and machine learning algorithms to create questions based on Bloom's Taxonomy levels. The platform supports a variety of question types and offers easy online testing with auto-grading, so it's a good option for creating and sharing tests quickly.