Manoj sold an article on marked price for Rs.13,000. Had he offered a discount of 10% on the marked price he would have earned a profit of 30%. What is the cost price?

Rs.10,000 Rs.9,900 Rs.9,000 Rs.11,000

Rs.9,000

Marked price = Rs.13,000 Discount = 10% Profit = 30% According to the question = CP = 13,000 × \(\frac{9}{10}\) × \(\frac{10}{13}\) =  9000