List price of an article at a showroom is Rs. 2000 and it is being sold at successive discounts of 20% and 10%. Its net selling price will be:
Rs. 1400
Rs. 1440
Rs. 1520
Rs. 1700
Rs.1750
S.P. = 90% of 80% of Rs. 2000 = Rs. (90100×80100×2000) = Rs. 1440.