allery400 ত কিনা এটা বস্তু 500 ত বিক্ৰী কৰা হ'ল। লাভৰ শতাংশ হ'ল:
A20%
B30%
C25%
D40%
Answer & Solution
Correct answer: C. 25%
1. টকাত লাভৰ পৰিমাণ হ'ল 500 - 400 = 100।
2. লাভৰ শতাংশ সদায় ক্ৰয়মূল্যৰ ওপৰত গণনা কৰা হয়।
3. সেয়েহে ই হ'ল 100 / 400 x 100।
4. ই 25 শতাংশ দিয়ে।
5. বিক্ৰী মূল্যৰে হৰণ কৰিলে 20 শতাংশ ওলাব, যিটো এই প্ৰশ্নটোৰ এটা সাধাৰণ ফান্দ।
_Source: syllabus Maths, Ch 7 'Comparing Quantities', S7.1 Recalling Ratios and Percentages_
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