alleryএকটি বস্তু ₹400-এ কেনা হয় এবং ₹480-এ বিক্রি করা হয়। লাভের শতকরা হার নির্ণয় করুন।
A$15\%$
B$20\%$
C$25\%$
D$30\%$
Answer & Solution
Correct answer: B. $20\%$
লাভ $= 480 - 400 = 80$.
লাভ $\% = \dfrac{80}{400} \times 100 = 20\%$.
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