The profit earned from selling item for Tk. 900 is double the loss incurred when the item is sold for Tk. 450. At what price the item should be sold to make 25% profit?
A
Tk. 600
B
Tk. 750
C
Tk. 800
D
none of these
Correct Answer: Tk. 750
ধরি, ক্রয়মূল্য x টাকা <math xmlns = "http://www.w3.org/1998/Math/MathML"><mo>∴</mo></math>লাভ = (900 – x) ,, ক্ষতি = (x – 450) ,, <math xmlns = "http://www.w3.org/1998/Math/MathML"><mo>∴</mo></math>900 –1 = 2(x – 450)<math xmlns = "http://www.w3.org/1998/Math/MathML"><mo>⇒</mo></math> 900 – x = 2x – 900<math xmlns = "http://www.w3.org/1998/Math/MathML"><mo>⇒</mo></math> 3x = 1800 <math xmlns = "http://www.w3.org/1998/Math/MathML"><mo>∴</mo></math> x = 600 25% লাভে বিক্রয়মূল্য <math xmlns = "http://www.w3.org/1998/Math/MathML"><mfenced><mrow><mn>600</mn><mo> </mo><mo> + </mo><mo> </mo><mn>600</mn><mfrac><mn>25</mn><mn>100</mn></mfrac></mrow></mfenced></math> টাকা = 750 টাকা