Must for anyone whos is targetting Q50/51

Quants CATs are amazing with difficulty level more than GMAT exam. So dont get worry if your scores are low initially. There are so many advanced questons which will improve your skill level.Practice on your weak areas .Also there are so many solutions in this forum to each question and you can see where you get wrong. Also it will show timer for each question so you check your timing relative to others.There are so many analytics which show your weak areas , sort questions on the basis of difficuty level . You can bookmark questions ,see your performance in different topics and so many other tools are there to improve. Overall I will definitely recommend it to someone who is trying for Q50/51.