... from each section and created problem sets based on them. problem set with 5 of each question ... logic games - I would make problem sets of my 4 weakest ... set and weakest LR set
I would go through all of the sections in order and all of the lessons, however don't feel like you need to complete every single problemset - this is where all of the hours start to add up.
... aware of the contaminated water problem? Set aside whether you think that ... there exists a more obvious problem, which the author combines with ... the conclusion that the ozone problem won't be dealt with ...