# A shopkeeper marks the price of an article at Rs. 80. Find the cost price if after allowing a discount of 10% he still gains 20% of the cost price . Option 1) Rs. 53.33Option 2) Rs. 80Option 3) Rs. 75Option 4) Rs. 60Option 5) Rs. 70

C.P = $\inline 80\times \frac{90}{100}\times \frac{100}{120}=60$