This is a fun one because it illustrates that you failed the test just like I did. Reread carefully: the question compares "a kilogram of feathers or a kilogra

This is a fun one because it illustrates that you failed the test just like I did. Reread carefully: the question compares "a kilogram of feathers or a kilogram of feathers". I've never heard that one before but my brain pattern matched right over to "a kilogram of feathers or a kilogram of steel" and moved on. I had to read it 3 times before I got the subtlety.