CAT 2019 Slot 1 QA · Question 13
On selling a pen at 5% loss and a book at 15% gain, Karim gains Rs. 7. If he sells the pen at 5% gain and the book at 10% gain, he gains Rs. 13. What is the cost price of the book in Rupees?
- A.80
- B.85
- C.100
- D.95
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