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A A person sold atan article at a loss of 10% had it been bought at 20% less and sold for Rs 420 more he would have gained 30% profit.find the cost price of the article |
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Answer»
Let the C.P. of the ARTICLE be Rs. x. Then S.P. at a loss of 10% 100 x×90
= Rs. 100 90x
S.P. at a GAIN of 12 2 1
%= 100 x×112.5
= Rs. 100 112.5x
100 112.5x
− 100 90x
=9 ⇒ 100 22.5x
=9 ⇒x= 22.5 900
= Rs. 40
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