1000 Logic and Reasoning Questons for Gifted and Talented Elementary School Students: http://www.get800testprep.com/178865/blog/post/1000-logic-questions-for-gifted-elementary-school-students

Hard SAT and ACT Quadratic Equation Problem with Solution

Hard SAT and ACT Math Problem with Solution – Quadratic Equations: http://satprepget800.com/2016/11/16/hard-sat-act-math-problem-solution-quadratic-equations/