CAT Quantitative Ability Questions | CAT Set Theory questions
CAT/1995
Question . 25
There are three different cable channels namely Ahead, Luck and Bang. In a survey it was found that 85% of viewers respond to Bang, 20 % to Luck, and 30% to Ahead. 20% of viewers respond to exactly two channels and 5% to none.
What percentage of the viewers responded to all three ?
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Method of solving this CAT Quantitative Ability Question from Set Theory question
