An article is sold at 25% loss by the shopkeeper. If he had sold it for Rs.825 more, he would have earned a profit of 30%. Find the cost price of the article. (In Rs.)
एक वस्तु को दुकानदार द्वारा 25% हानि पर बेचा जाता है, यदि वह इसे Rs.825 अधिक में बेचता, तो उसे 30% का लाभ होता। वस्तु का क्रय मूल्य ज्ञात कीजिए। (Rs. में)