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?
Solution
Correct Answer: Option D
Sol: 50% (n) + 60% (100 ) = 55% (n + 100) Solving we get n = 100
n + 100 = 100 + 100 = 200
Practice More Questions on Our App!
Download our app for free and access thousands of MCQ questions with detailed solutions