If you want to read a newspaper in less time then you should first read the headlines and if you fells that you don't have any knowledge about that news or article then read it in detail until you feels that it satisfies your doubts.
                                        thank you ! 
Reading a newspaper is a very good habit which every human should posses Try to jst go through the headlines if u do not have much time When you are beginner in reading do not read entire paper read the news of u r interest As u start reading paper the paper focus on the words which u think are hard ..... May this would help