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A book-seller bought 200 textbooks for $ 12,000. He wanted to sell them at a profit so that he got 20 books free. At what profit percent should he sell them?
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- 10%
- 11%
- 11.5%
- 12%
Correct Option: A
Here , Cost price of 200 textbooks = $ 12,000
| Cost price of a book = | = $ 60 | 200 |
Profit = 20 books
∴ Total profit = 60 × 20 = $ 1200
| ∴ Profit percent = | × 100 = 10% | 12000 |
