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The marked price of a book is 20% more than the cost price. After the book is sold, the vendor realizes that the he had wrongly raised the cost price by a margin of 25%. If the marked price of the book is Rs. 30, what is the original cost price of the book?1). Rs. 252). Rs. 203). Rs. 454). Rs. 30 |
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Answer» (x + 20/100 × x) = 30 ⇒ x = Rs. 25 Original CP = (25 × 100/125) = Rs. 20 |
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