A woman gains 20% by selling an article for a certain price. If the sells it at double the price, the percentage of profit will be:	Choose the correct choice: A) 60% B) 34% C) 140% D) 100% E) 55%
C   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%.
<result>C</result>
A woman gains 20% by selling an article for a certain price. If the sells it at double the price, the percentage of profit will be: