yes, save the last questions of OG for the end when you have sufficient ammo to attack tough questions and do painstaking analysis of mistakes.
from each question, try to figure out "Which concept is being tested here?" and log it in your memory.
Concepts are repeated on future tests, actual words /situations differ!
sv77 wrote:Congratz for the great score.. Any idea whether difficulty level of GMAT questions was in par with the latter questions of OG verbal and did you see any idiom usage