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At a collegae football game, 4/5 of the seats in the lower deck of the stadium were sold. If one-forth of all the seating in the stadium is located in the lower deck and if 2/3 of all the seats in the stadium were sold. What fraction of the unsold seats in the stadium were in the lower deck?

At a collegae football game, 4/5 of the seats in the lower deck of the stadium were sold. If one-forth of all the seating in the stadium is located in the lower deck and if 2/3 of all the seats in the stadium were sold. What fraction of the unsold seats in the stadium were in the lower deck? Correct Answer 3/20

ধরি, stadium - এ total seat সংখ্যা x টি ∴ Lower deck - এ seat সংখ্যা x4 টি ∴ Lower deck - এ অবিক্রিত seat সংখ্যা 15×x4 = x20 টি পরো stadium - এ বিকিত seat 2x3 টি হলে অবিকিত seat সংখ্যা x3 টি ∴ stadium - এ x3 টি অবিকিত seat - এর মধ্যে lower deck x20 টি Stadium - এ 1 অংশ (সম্পূর্ণ) অবিকিত seat - এর মধ্যে lower deck x20×3x = 320 টি

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At a college football game, 4/5 of the seats in the lower deck of the stadium were sold. If one-fourth of all the seating in the stadium is located in the lower deck, and if 2/3 of all the seats in the stadium were sold, what fraction of the unsold seats in the stadium were in the lower deck?
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