allery₹1,000-এ কেনা একটি জিনিসের ওপর অতিরিক্ত খরচ ₹100। যদি এটি ₹1,320-এ বিক্রি করা হয়, তবে লাভের হার কত?
A20%
B25%
C30%
D32%
Answer & Solution
Correct answer: A. 20%
₹220 লাভ হলো মোট খরচ ₹1,100-এর 20%।
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