A shopkeeper earns a profit of 12% on Selling a book at 10% discount on the printed price. The ratio of the cost price and the printed price of the book is
Correct Answer: Description for Correct answer:
Let the CP of book = Rs.x
Then, SP of book = \( \Large \frac{ \left(100+12\right) \times x }{100}=\frac{112x}{100} \)
Now. the printed price = Rs.y
Then, after discount, the SP
= \( \Large \frac{ \left(100-10\right) \times y }{100}=\frac{90y}{100} \)
Since, both SP are same.
Then, \( \Large \frac{112x}{100} = \frac{90y}{100} = \frac{x}{y} = \frac{45}{56} \)
= 45 : 56
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