A man gains 20 % by selling an article for a certain price. If the sells it at double the price, the percentage of profit will be:
A. 40
B. 100
C. 120
D. 140
Answer:D
A man gains 20 % by selling an article for a certain price. If the sells it at double the price, the percentage of profit will be:
A. 40 B. 100 C. 120 D. 140