Question
A man gain 20% by selling an article for a certain price. If he sells It he sells it at double the price the percentage of profit will be :
Answer: Option D
 - Let C.P. = Rs.a Then , S.P. = Rs.(120%of a) = Rs. 6a/5
New S.P. = Rs (2x 6a/5) = Rs.12a/5, Profit = Rs (12a/5 - a)
= Rs. 7a/5
Profit % = (7a/5 x 1/a x100)% = 140%
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 - Let C.P. = Rs.a Then , S.P. = Rs.(120%of a) = Rs. 6a/5
New S.P. = Rs (2x 6a/5) = Rs.12a/5, Profit = Rs (12a/5 - a)
= Rs. 7a/5
Profit % = (7a/5 x 1/a x100)% = 140%
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