USABO Semifinal Exams 2016-2020 Worked Solutions

This is a printed book.

The USABO Semifinal past papers are freely available online.

Since the USABO past papers don’t come with solutions, we’ve written “USABO Semifinal Exams Worked Solutions” to help with your studies. It contains detailed explanations for every question from 2016 to 2020 Semifinal exams as well as comprehensive extra reading material.

These solutions contain valuable insights on how to approach difficult questions and also they walk you through the most efficient methods for rapidly getting the correct answer. Filled with examples of time saving techniques and score boosting strategies, this is a MUST-BUY for anyone using past papers as part of their USABO preparation.

(The original papers are not included)

All worked solutions are in the intellectual property of Biolympiads. All content (texts, illustrations, photos, graphics, etc.) on this website and in worked solutions are protected by copyright and other protective laws.