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A collection of books went on sale and 2/3 of these were sold Tk. 2.30 each. If none of the 36 remaining books that were sold?

A collection of books went on sale and 2/3 of these were sold Tk. 2.30 each. If none of the 36 remaining books that were sold? Correct Answer Tk. 180

দেয়া আছে, বিক্রিত বই <math xmlns = "http://www.w3.org/1998/Math/MathML"><mfrac><mn>2</mn><mn>3</mn></mfrac></math> অংশসুতরাং অবিক্রিত বই = 1 - <math xmlns = "http://www.w3.org/1998/Math/MathML"><mfrac><mn>2</mn><mn>3</mn></mfrac></math> = <math xmlns = "http://www.w3.org/1998/Math/MathML"><mfrac><mn>1</mn><mn>3</mn></mfrac></math> অংশপ্রশ্নমতে, বইয়ের <math xmlns = "http://www.w3.org/1998/Math/MathML"><mfrac><mn>1</mn><mn>3</mn></mfrac></math>অংশ = 36 টিসুতরাং <math xmlns = "http://www.w3.org/1998/Math/MathML"><mfrac><mn>2</mn><mn>3</mn></mfrac></math> অংশ = <math xmlns = "http://www.w3.org/1998/Math/MathML"><mfrac><mrow><mn>36</mn><mo>&#xD7;</mo><mn>3</mn><mo>&#xD7;</mo><mn>2</mn></mrow><mn>3</mn></mfrac></math> = 72 টিসুতরাং 72 টি বই - এর বিক্রয়মূল্য (72×2.50) = 180 টাকা।

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