In a market survey 20% respondents opted… | Answer

Subject

পেট্রোবাংলা

Topic

তিতাস গ্যাস ট্রান্সমিশন এন্ড ডিস্ট্রিবিউশন কো: লি: (সহকারী ব্যবস্থাপক) - ০৮.১০.২০২১

In a market survey 20% respondents opted for product A whereas 60% opted for product B. the remaining individuals were not certain. If the difference in number between those who opted for product B and those who were uncertain was 720. How many individuals were covered in the survey?
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ক)

1440

খ)

1800

গ)

3600

ঘ)

None

Explanation

Uncertain individuals এর শতকরা = ১০০% - (২০+৬০)% = ২০% মনেকরি, নির্ণেয় সংখ্যা = x প্রশ্নেমতে, x এর ৬০% - x এর ২০% = ৭২০ ⇒ x এর ৬০/১০০ - x এর ২০/১০০ = ৭২০ ⇒ ৩x/৫ - x/৫ = ৭২০ ⇒ ২x/৫ = ৭২০ x = ১৮০০

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In a market survey 20% respondents opted for product A whereas 60% opted for product B. the remaining individuals were not certain. If the difference in number between those who opted for product B and those who were uncertain was 720. How many individuals were covered in the survey?Reading

In a market survey 20% respondents opted for product A whereas 60% opted for product B. the remaining individuals were not certain. If the difference in number between those who opted for product B and those who were uncertain was 720. How many individuals were covered in the survey?

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In a market survey 20% respondents opted for product A whereas 60% opted for product B. the remaining individuals were not certain. If the difference in number between those who opted for product B and those who were uncertain was 720. How many individuals were covered in the survey?
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