A person buys an article at Rs.500. At what price should he sell the article so as to make a profit of 20%?
A). Rs. 440
B). Rs. 600
C). Rs. 780
D). Rs. 900
Rs. 600
Cost price = Rs.500
profit = 20% of 500 = Rs.100
Selling price = Cost price + Profit
= 500 + 100 = 600