Start to push the question before you get into the statements, how do you translate the question into an equation or clearly into something that you can asnwer, then take topics do overlapping sets DS, word problem DS, verbal logic DS, your approach should be sound for all questions, where you cannot push the question you should be clear on how you are approaching it. DS is not easy and it is the same for everyone. With wordier problems it gets tough and if you cannot find a way forward move on as there are other question types you can attempt