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 ?
A. 20%
B. 30%
C. 25%
D. 50%
Answer: Option A
Solution(By Examveda Team)
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%This Question Belongs to Arithmetic Ability >> Profit And Loss
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যখন ২৫% বাড়ে তখন cp থাকে ১০০
so যখন ২৫-২০=৫% বাড়ে তখন cp হয় (১০০*৫)/২৫
= ২০% (ans)