Let four friends Anita, Bina, Chaitra and Divya be represented as A,B,C,D respectively. From the given information, Messages sent by A are 150 out of which 90 are Jokes Messages sent by B are 180 out of which 72 are Jokes Messages sent by C are 150 out of which 120 are Jokes Messages sent by D are 120 out of which 60 are Jokes .′. Percentage of jokes that were neither sent by D or B is 210×