A merchant sells 20% of his stock at 20% profit. At what % profit must he sell the rest to make 25% overall?
A26.25%
B27.5%
C28%
D30%
Explanation
Let stock = 100. Overall profit = 125. 20 sold at 1.2*20 = 24. Remaining 80 must sell for 101. Profit = 21/80 = 26.25%.
Exam Relevance
- Topic: Profit and Loss
- Subtopic: Stock Sales

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