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InterviewSolution
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In A Society Of 80 Resident Families Who Subscribe Newspapers, 60% Of Them Subscribe The Hindu Newspaper, 80% Of Them Subscribe Regional Language Newspaper And 70% Of Them Subscribe Toi. How Many Families Could, At The Least, Be Subscribing To All The Three Newspapers? |
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Answer» TOTAL no. of families who take newspaper=80 Hindu newspaper = 60% = (80*60/100) = 48 Regional newspaper = 80% = (80*80/100) = 64 TOI newspaper = 70% = (70*80/100) = 56 FIND COMMON families take H.C.F (48,64,56) = 8 Therefore,(8/80)*100=10% So, common families who take all newspaper = 10%. Total no. of families who take newspaper=80 Hindu newspaper = 60% = (80*60/100) = 48 Regional newspaper = 80% = (80*80/100) = 64 TOI newspaper = 70% = (70*80/100) = 56 Find common families take H.C.F (48,64,56) = 8 Therefore,(8/80)*100=10% So, common families who take all newspaper = 10%. |
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