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A milkman sold two of his buffaloes for Rs 20000 each.One made a profit of 5% and the other made a loss of 10%. Find the overall profit or loss.(Hint: find Cost Price of each.).

Answer :

myinbox3shiv
cost of first buffalo =20000 x 100/105
cost of second = 20000 x 100/90

total cost = 20000( 100/105 + 100/90)

profit/ loss = 40000 - 20000( 100/105 +100/90)
                = 20000 (2- (600+700)/630)
                = 20000 x (1260-1300)/630      = -80000/63= -1269.8 (loss) or -3.17%

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