Subject
Quantitative Aptitude
Topic
Percentage
If selling price is double, the profit triples. Find the profit percent. (যদি বিক্রয়মূল্য দ্বিগুণ হয়, মুনাফা তিনগুণ হয়, শতকরা লাভ কত ?)
If selling price is double, the profit triples. Find the profit percent. (যদি বিক্রয়মূল্য দ্বিগুণ হয়, মুনাফা তিনগুণ হয়, শতকরা লাভ কত ?)
ক)
66(2/3)%খ)
100%গ)
105(1/3)%ঘ)
120%Explanation
ধরি, ক্রয়মূল্য = x টাকা এবং বিক্রয়মূল্য = y টাকা তিনগুণ লাভ = দ্বিগুণ বিক্রয়মূল্য - ক্রয়মূল্য তাহলে, 3(y-x) = 2y - x => 3y - 3x = 2y - x => y = 2x সুতরাং, লাভ = (y - x) = (2x - x) = x টাকা শতকরা লাভ = {(x/x)×100}% = 100%Related questions
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