A man gains 20% by selling an arƟcle for a certain price. If he sells it at double the price, the
percentage of profit will be
Choices
A) 130%
B) 140%
C) 150%
D) 160%
E) None of these
Explanation:   Let the C.P. = x,   Then S.P. = (120/100)x = 6x/5   New S.P. = 2(6x/5) = 12x/5   Profit = 12x/5 - x = 7x/5   Profit% = (Profit/C.P.) * 100   =&gt; (7x/5) * (1/x) * 100 = 140 %   Answer: 140%
<result>B</result>
A man gains 20% by selling an arƟcle for a certain price. If he sells it at double the price, the
percentage of profit will be