A radio dealer sold a radio at a loss of 2.5%. Had he sold it for Tk.100 more, he would have gained 15/2%. In order to gain 25/2%, he would sell it for---

প্রশ্নঃ A radio dealer sold a radio at a loss of 2.5%. Had he sold it for Tk.100 more, he would have gained 15/2%. In order to gain 25/2%, he would sell it for---