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Profit and Loss
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A retailer increase the selling price by 25% due to which his profit percentage increase from 20% to 25%. What is the percentage increase in cost price ?

Answer & Solution
Correct Answer: Option A
100 (Initial CP) --- 20%↑ (initial profit) → 120(SP)
120 (SP) --- 25%↑ → 150 (New SP)
Let x be the new Cost price
Selling Price = 150
x × 1.25 = 150
x = 120
% change = $$ {\frac{{120 - 100}}{{100}}} \times 100$$     = 20%
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1 Comment
Abdullah All
Abdullah All 8 years ago

যখন ২৫% বাড়ে তখন cp থাকে ১০০
so যখন ২৫-২০=৫% বাড়ে তখন cp হয় (১০০*৫)/২৫
= ২০% (ans)