Muiz Haider took a C++ Programming test on February 29th, 2016, completing it in 18 minutes and 1 second. He answered 37 out of 41 questions correctly, achieving a score of 90% which placed him in the 70th percentile globally. The test assessed knowledge of core C++ concepts like syntax, program structure, operators, and object-oriented programming, and was designed for candidates with at least one year of C++ coding experience.