একটি ব্যাগ Rs 720-এ বিক্রি করলে 10% ক্ষতি হয়। ব্যাগটির ক্রয়মূল্য কত ছিল?
ARs 800
BRs 850
CRs 820
DRs 780
Answer & Solution
Correct answer: A. Rs 800
Rs 720 হলো ক্রয়মূল্যের 90 শতাংশ, সুতরাং cost = 720/0.9 = Rs 800।
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