Subject
Bank Exam
Topic
Union Bank 2014 (Sr. Officer)
A survey of n people in the town Afound that 50% of them prefer Brand X. Another survey of 100 people in the town B found that 60% prefer Brand X. In total, 55% of allthe people surveyed together prefer Brand x what is the total number of people surveyed?
A survey of n people in the town Afound that 50% of them prefer Brand X. Another survey of 100 people in the town B found that 60% prefer Brand X. In total, 55% of allthe people surveyed together prefer Brand x what is the total number of people surveyed?
ক)
50খ)
100গ)
150ঘ)
200Explanation
Sol: 50% (n) + 60% (100 ) = 55% (n + 100) Solving we get n = 100 n + 100 = 100 + 100 = 200Related questions
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