A shop keeper bought equal quantities of two varieties of wheat, one at a rate of Rs. 200 for 4 kg and other variety at a rate of Rs. 400 for 10 kg. He mixed the two varieties and sold them at a rate of Rs. 60 per kg. What is the profit/loss percent?
a)33.33% b)40% c)30% d)50%
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price of wheat-1 for 4kg = 200
price of wheat-2 for 10kg = 400
then he mixed both wheat,
total wheat he buys = (4+10) = 14kg
total money he spent = (200+400) = 600
the price of one 1kg wheat3 is now changed to = 600/14
=Rs42.85
he sold the Wheat3 in rs 60 per kg
the profit he makes = 60-42.85
=rs17.15
now the percentage of profit = (17.5/42.85)100
=40%
b is the answer.
i hope it is helpfull.
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