Civil Service Exam Reviewer · Simple Interest and Profit/Loss · hard
The cost price of 13 items equals the selling price of 12 items. What is the percent profit?
- 7.69%
- 8.33%
- 1%
- 92.31%
Answer
B. 8.33%
Solution
Let each item cost ₱1: 12 items cost ₱12 but sell for ₱13. Profit % = (13 − 12)/12 × 100 = 8.33%.
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