...well in my case smart work refers to a little bit ov common sense.....first ov ol...go through the past pprz ov the subjects u hav chosen....u'll see a definite pattern of questions in most ov the cases.....like in geography Paper 1....each year a new landforms question is there.....this kinda prep reduces the burden.....n keep in mind..Journalism is the only subject in CSS which offers u breathing space....again depending upon the pattern ov questions asked as per in past papers....in prepared for journalism in only 4-5 days....