Most of the competitive exams are multiple choice questions where you will be provided with 4 options. You need to select the correct answer. CAT, GMAT, GRE, IT companys questions (Infosys, Wipro, TCS, etc) & most of the entrance tests has the same pattern. Probably, if you dont have the answers, you would be looking for coin for tossing (option A or B). or looking for a dice in rubber or Inky Pinky Ponkey starts.Here are few tips before you start old strategy. Below guess work will help you but doesnt guarantee for the correct answer.