Trinity Tuition College - Opportunity Class Placement Trial Tests Years 3-4 is a comprehensive study guide for Reading, Mathematical Reasoning and Thinking Skills part of the Opportunity Class Placement Test. The trial tests contain hundreds of multiple choice questions based on a variety of text types - so students can prepare for exams with a minimum of stress and maximum results.These tests are intended to give you the opportunity of doing a variety of questions based on Reading, Mathematical Reasoning and Thinking Skills. The more familiar you are with the material the more confident you will feel - and the better you will do in your tests.