Pure gem

gmat club quant tests are pure gold. they make you think and process questions in a different way, more efficient way. I used gmat club quant test and it helped me improve my quant from 44-45 to 50. explanations written by Bunuel are short, easy to understand, and outside of box thinking. thanks to gmat club tests I learnt how to beware of common traps, such as C-traps. yes, the gmat clubs' test is tougher that the real, but quality of these [gmat clubs' tests] are high, which allows one to get best out of it.
One more word to say about these tests is that they allow students build stamina, which is as important or even more important than the knowledge itself. Because you can know your concepts but you may not be able to use them due to test anxiety. Gmat club tests can help overcome test anxiety (there are over 20 quant tests, so you can get used to exam mode). Overall, questions are of high quality and can be used to prepare for the exam