A man sells two chairs at Tk. 120 each and by doing so he gains 25% on one chair and loses 25% on the other. His loss on the whole in Tk. is = ?

• ক Tk. 14
• খ Tk. 12
• গ Tk. 20
• ঘ Tk. 16 ✅ সঠিক উত্তর