On selling 40 articles for Rs. 8000, a person gets a profit which is equal to CP of 10 articles. Then find the CP of 1 article?
Profit on selling 40 artciles = CP of 10 articles SP of 40 articles - CP of 40 articles = CP of 10 articles SP of 40 articles = CP of 50 articles = 8000 So CP of 1 article = `8000/50` = Rs.160