Question
The marked price of an article is 50% above cost price. When marked price is increased by 20% and selling price is increased by 20%, the profit doubles. If original marked price is Rs.300, then original selling price is
Answer: Option D
Answer: (d)Let the original S.P. be x. C.P. of the article= ${300 × 100}/150$ = Rs.200After corresponding increases${x × 120}/100 - 200 = 2(x - 200)$${6x}/5 - 200 = 2x - 400$6x - 1000 = 10x - 20004x = 1000 ⇒ x = Rs.250
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Answer: (d)Let the original S.P. be x. C.P. of the article= ${300 × 100}/150$ = Rs.200After corresponding increases${x × 120}/100 - 200 = 2(x - 200)$${6x}/5 - 200 = 2x - 400$6x - 1000 = 10x - 20004x = 1000 ⇒ x = Rs.250
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