পিডিএফ এর থেকেও মাস্টার প্রশ্ন ব্যাংক & Poll Master এ রয়েছে বিশেষ সুবিধা
A book sells for TK. 65. This price gives the seller a profit 30% on his cost. What will bi the new selling price if he cuts his profit to 10% of the costs ? ?
A book sells for TK. 65. This price gives the seller a profit 30% on his cost. What will bi the new selling price if he cuts his profit to 10% of the costs ? ?