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Question
Two merchants each sell an article for Tk.1000. If Merchant a computes his profit on cost price, while Merchant B computer his profit on selling price, they end up making profits of 25% respectively. By how much is the profit made by Merchant B greater than that of Merchant A?
Tk. 66.67
Tk. 50
Tk. 125
Tk. 200
ANSWER : 2
Descrption
<pre>দেয়া আছে, A ‘র profit হিসাব করা হয়েছে cost price - এর উপর। মনে করি, A - এর cost price = x Tk. প্রশ্নানুযায়ী, 125% of x = 100 <math xmlns = "http://www.w3.org/1998/Math/MathML"><mo>⇒</mo><mfrac><mrow><mn>125</mn><mi>x</mi></mrow><mn>100</mn></mfrac><mo> = </mo><mn>1000</mn><mo> </mo><mo>⇒</mo><mfrac><mrow><mn>5</mn><mi>x</mi></mrow><mn>4</mn></mfrac><mo> = </mo><mn>1000</mn><mspace linebreak = "newline"/><mo>⇒</mo><mi>x</mi><mo> = </mo><mfrac><mrow><mn>4</mn><mo>×</mo><mn>1000</mn></mrow><mn>5</mn></mfrac><mo> = </mo><mn>800</mn><mo> </mo><mi>T</mi><mi>k</mi><mo>.</mo></math> A' র profit = (1000 - 800) = 200 Tk. <math xmlns = "http://www.w3.org/1998/Math/MathML"><mo>∴</mo></math> B' র profit হিসাব করা হয় বিক্রয়মূল্যের উপর। B' র profit = (25% of1000) = 250 Tk. <math xmlns = "http://www.w3.org/1998/Math/MathML"><mo>∴</mo></math> B' র profit বেশি হয় = (250 - 200) = 50 Tk. </pre>
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