Yes, they are organized by increasing difficulty (it says so on the back, and you may see it in the dropoff of the questions you get right).

I found a really great guide that highlights all the questions in order of category, sub-category, and difficulty (I can send it to you).

The guide categorizes questions as "easy," "medium," and "hard." It is great, but I personally am looking for more detail. Most people on here say that the questions in the OG are not for 700+ scorers, but some of them are really effing tough! Maybe someone can provide a breakdown and at least mark the 700+ questions for us.

Purely my opinion....it is not relevant to figure out the difficulty level of question if you are targeting anything above 700...it is very important to understand the concept behind each question and appreciate the subtle variation in answer choices...

Salmann- Thanks! I just checked the back of the book, you are right. I was so curious because I didnt miss any sentence correction questions from 1-20. This week I will finish sentence correction, so it looks like I have some tough study sessions in front of me.

Singhag- Thank you for your input, it is appreciated. I agree with your opinion. However, I asked the question to quench my curiousity, not to gain information to use in creating a study plan.

Hi, Salmaan, Would you be able to send me the guide you mentioned about the types of questions? Thanks