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:	Select:
A) 327
B) 140
C) 277
D) 178
E) 112
Let C.P. = Rs. x.   Then, S.P. = Rs. (12% of x) = Rs. 6x/5   New S.P. = 2 * 6x/5 = Rs. 12x/5   Profit = 12x/5 - x = Rs. 7x/5   Profit = 7x/5 * 1/x * 100 = 140%.\   Answer: 178
<result>D</result>
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: