In a market research project, 20% opted for product A whereas 60% opted for product B. The remaining individuals were not certain. If the difference between those who opted for product B and those who were uncertain was 720, how many people were covered in the survey?
Answer: 1800
Explanation
- SHORT TRICK Percentage of uncertain individuals =[100−(20+60)]%=20% Since, 60% of x−20% of x=720 40% of x=720 100 40x=720 x= 40 720×100=1800 Hence the answer is 1800.
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