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 -
Created: 4 years ago |
Updated: 4 weeks ago
best des
Let the CP of book = Tk.x
Then, SP of book = (100 + 12) × x/100 = 112x/100
Now. the printed price = Tk.y
Then, after the discount, the SP
= (100−10) × y/100 = 90y/100
Since both SP are same.
Then, 112x/100 = 90y/100 = xy = 45/56
= 45 : 56
Then, SP of book = (100 + 12) × x/100 = 112x/100
Now. the printed price = Tk.y
Then, after the discount, the SP
= (100−10) × y/100 = 90y/100
Since both SP are same.
Then, 112x/100 = 90y/100 = xy = 45/56
= 45 : 56
Md Azizur Rahman
Founder of Satt
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