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A survey of n people in the town of badaville found that 50% of them prefer brand A. Another survey of 100 people in the town of chottaville found that 60% prefer brand A.In total 55% of all the people surveyed together prefer Brand A.What is the total number of people surveyed?

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asked Oct 31, 2013 in TCS by Campusgate

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50% (n) + 60% (100 ) = 55% (n + 100)
Solving we get n = 200

answered Oct 31, 2013 by Campusgate
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