SSC Government Jobs Exams Numerical Ability Profit and Loss

By selling an article for Rs. 144, a person gained such that the percentage gain equals the cost price of the article. The cost price of the article is

Read Solution (Total 1)

Cost (C) + profit (P) = Sell-Price (S)
%gain = ( P/C ) * 100 = C
Profit = C ^ 2 / 100
C + C^2 /100 = 144

C^2 + 100C - 14400 = 0
(C+180)(C-80) = 0

C = 80
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SSC Other Question

A man sells two articles for Rs. 5000 each neither losing nor gaining in he deal. If he sold of them at a gain of 25%, the other article is sold at a loss of The average age of 11 players of a cricket team is increased by 2 months hen two of them aged 18 years and 20 years are replaced by two new players. The average age of the new players is