Subject
Quantitative Aptitude
Topic
Set
In a survey, 60% of those surveyed owned mobile phone and 80% of those surveyed owned a TV. If 55% owned both a mobile phone and TV. What percent of those surveyed owned a mobile phone or a TV or both?
In a survey, 60% of those surveyed owned mobile phone and 80% of those surveyed owned a TV. If 55% owned both a mobile phone and TV. What percent of those surveyed owned a mobile phone or a TV or both?
ক)
90%খ)
80%গ)
85%ঘ)
495%Explanation
n(M∪T)=n(M)+n(T)-n(M∩T) =60+80-55=85%Related questions
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