I'm Done with my 3 rounds of Amazon interview by yesterday. For Manual testing Domain. 1st round was general aptitude, there was no quants only logical n analytical. After that 2nd was all about basic testing concepts n puzzle solvings n was been to say the test scenarios for many objects. 3rd one was HR was cool, asked about my project details, again testing concepts as well. But it was tricky and was puzzle solving.. they will mail me the results.