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1. A shopkeeper sells 5 mangoes at a price he bought 4 mangoes. What is the percentage (%) of loss or gain?
- A. 10
- B. 10
- C. 10
- D. 10
Answer: Option C
Explanation:
Let the price of 4 mangoes bought be X.
Price per mango bought = X/4
Price per mango sold = X/5
Loss = (X/4 - X/5) / (X/4) × 100% = (X/20) / (X/4) ×100% = 20%
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