20/20. Mattel was the only one I was uncertain of, but the correct answer was slightly blurrier, due to it probably being an actual logo copy scaled down or up slightly, as opposed to a "freshly-made" duplicate for the purpose of the test.

Toyota was easy enough, as the capital "O" in Helvetica is more oval than round in Arial, and more round than oval in Helvetica.

I'm not a designer, I'm a developer, but I do enjoy typography.