AP ICET 2016 Paper

Question : 99 of 200

Marks: +1, -0

The selling price of an article is ₹75. If the profit percent is equal to its cost price, then the cost price of that article (in ₹) is

Solution:

Let C.P = % profit = x

⇒x({100+x}/{100})=75⇒x^{2}+100x-7500=0

⇒x^{2}-50x+150x-7500=0

⇒x(x-50)+150(x-50)=0

⇒(x-50)(x+150)=0

⇒x=50

[x can’t be negative]

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