XAT 2020 Question 48
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XAT
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*100/342=61.4
