1.

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

Answer»

LET the INCREASED CP be X

(x + 20/100 × x) = 30

⇒ x = Rs. 25

Original CP = (25 × 100/125) = Rs. 20


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