m bought a watch at Rs.10000 and sold it f -12000. Find his profit percent. [Ans: 209 • चामल र 2 kg दालको मूल्य रु. 490 पर्छ । यदि लको मूल्य रु. 70 भए, lkg दालको मूल्य निकाल्नुहो • cost of kg of rice and 2 kg of pulse is Rs.49 price of lkg of rice is Rs.70, find the price of ulse. [Ans: Rs रुपैयाँको 4 वर्षमा 15% प्रतिवर्षको व्याजदरले मि