Profit and Loss Practice Test 7

Question : 4 of 40

Marks: +1, -0

A reduction of 10% in the price of sugar enables a shopkeeper to obtain 25 kg more for Rs 2,250. The original price per kg was:

Solution:

\table \Price ,\Quantity ,\Expenditure; x, y, xy ;9 /10 x ,25 + y, 2250

Now

xy=9/10x(25+y)

10xy=9xy+225x

xy=225x

y = 225

New weight of sugar = 25 + 225 = 250 kg
Price of 250 kg of sugar = Rs 2,250
Price of 1 kg of sugar

= 2250/250=9

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